Document:

EXHIBIT
        4.2

      
        	 	 	 	 	 
	
                NUMBER

                 

                U-__________

              	
              	 	
              	
                SERIES
                  B UNITS

              
	 	 	 
	
                SEE
                  REVERSE FOR

                CERTAIN
                  DEFINITIONS

                 

              	
                STONELEIGH
                  PARTNERS ACQUISITION CORP.

              	 
	 	 	 
	 	 	
                CUSIP
                  ___________

              
	 	 	 

      

      SERIES
        B UNITS CONSISTING OF TWO SHARES OF CLASS B COMMON STOCK AND TWO CLASS W
        WARRANTS EACH TO PURCHASE ONE SHARE OF COMMON STOCK 

       

      THIS
        CERTIFIES THAT
        ______________________________________________________________________________________________ 

      

      is
        the
        owner of
        _______________________________________________________________________________________________________
        Series B Units.

      

      Each
        Series B Unit (“Series B Unit”) consists of two (2) shares of Class B common
        stock, par value $.0001 per share (“Class B Common Stock”), of Stoneleigh
        Partners Acquisition Corp., a Delaware corporation (the “Company”), and two (2)
        Class W Warrants (the “Class W Warrants”). Each Class W Warrant entitles the
        holder to purchase one (1) share of common stock, par value $.0001 per share
        (the “Common Stock”) for $5.00 per share (subject to adjustment). Each Class W
        Warrant will become exercisable on the later of Company’s completion of a
        business combination and [_____], 2007. The Class W Warrants will expire
        unless
        exercised before 5:00 p.m., New York City time, on [_____], 2011, or earlier
        upon redemption. The Class B Common Stock and Class W Warrants comprising
        the
        Series B Units represented by this certificate are not transferable separately
        prior to [_____], 2006, subject to earlier separation in the discretion of
        HCFP/Brenner Securities LLC. The terms of the Class W Warrants are governed
        by a
        Warrant Agreement, dated as of [_____], 2006, between the Company and
        Continental Stock Transfer & Trust Company, as Warrant Agent (the “Warrant
        Agreement”), and are subject to the terms and provisions contained therein, all
        of which terms and provisions the holder of this certificate consents to
        by
        acceptance hereof. Copies of the Warrant Agreement are on file at the office
        of
        the Warrant Agent at 17 Battery Place, New York, New York 10004, and are
        available to any holder of Class W Warrants on written request and without
        cost.

      This
        certificate is not valid unless countersigned by the Transfer Agent and
        Registrar of the Company.

      Witness
        the facsimile seal of the Company and the facsimile signature of its duly
        authorized officers.

       

      
         

        
          
            	
                    By

                  	 	 
	    
	 	       

	
                    President

                  	
                     

                  	
                    Assistant
                      Secretary

                  

          

           

        

      

       

      
        
          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

       

      Stoneleigh
        Partners Acquisition Corp.

       

      The
        Company will furnish without charge to each stockholder who so requests,
        a
        statement of the powers, designations, preferences and relative, participating,
        optional or other special rights of each class of stock or series thereof
        of the
        Company and the qualifications, limitations, or restrictions of such preferences
        and/or rights. 

       

      The
        following abbreviations, when used in the inscription on the face of this
        certificate, shall be construed as though they were written out in full
        according to applicable laws or regulations:

       

    

    
      
        
          	
                  TEN
                    COM - as tenants in common

                	
                  UNIF
                    GIFT MIN ACT - _____ Custodian ______

                
	
                  TEN
                    ENT - as tenants by the entireties

                	
                                                            
                    (Cust)                   
                    (Minor)

                
	
                  JT
                    TEN -as joint tenants with right of survivorship

                	
                  under
                    Uniform Gifts to Minors

                
	
                  and
                    not as tenants in common

                	
                  Act
                    ______________

                
	 	
                                    
                    (State)

                

        

        

        Additional
          Abbreviations may also be used though not in the above list.

         

        For
          value received, ___________________________ hereby sell, assign and transfer
          unto

        

        PLEASE
          INSERT SOCIAL SECURITY OR OTHER

        IDENTIFYING
          NUMBER OF ASSIGNEE

        
          

          
            	     

          

        

        

        

        
          
            

          

        

        (PLEASE
          PRINT OR TYPEWRITE NAME AND ADDRESS, INCLUDING ZIP CODE, OF
          ASSIGNEE)

         

         

          
            

          

        

         

          
            

          

        

         

          ______________________________________________________________________________________________________
            Series B Units

        

        

        represented
          by the within Certificate, and do hereby irrevocably constitute and
          appoint

         

        _________________________________________________________________________________________________________________________Attorney

        to
          transfer the said Series B Units on the books of the within named Company
          will
          full power of substitution in the premises.

        

        Dated
          ___________________________

        

        __________________________________________________________________________________

        
          
            	 	 	 

          

          
            	 	
                    Notice:

                  	
                    The
                      signature to this assignment must correspond with the name
                      as written upon
                      the face of the certificate in every particular, without alteration
                      or
                      enlargement or any change
                      whatever.

                  

          

        

        

        Signature(s)
          Guaranteed:

         

        ____________________________________________________________________________

        THE
          SIGNATURE(S) SHOULD BE GUARANTEED BY AN ELIGIBLE GUARANTOR
          INSTITUTION

        (BANKS,
          STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH

        MEMBERSHIP
          IN AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM,

        PURSUANT
          TO S.E.C. RULE 17Ad-15.EXHIBIT
      4.3

    
      	 	 
	
              NUMBER

            	
              SHARES

               

              COMMON
                STOCK

            
	
            	 

    

    STONELEIGH
      PARTNERS ACQUISITION CORP.

     

    INCORPORATED
      UNDER THE LAWS OF THE STATE OF DELAWARE

    CUSIP
      ___________

    
      	 	 
	
              This

              certifies

              that

               

            	
              SEE
                REVERSE FOR

              CERTAIN
                DEFINITIONS

               

            
	 	 

    

    is
      the
      owner of

     

    FULLY
      PAID AND NON-ASSESSABLE SHARES OF THE COMMON STOCK, PAR VALUE $.0001
      PER

    SHARE,
      OF

     

    STONELEIGH
      PARTNERS ACQUISITION CORP.

     

    (hereinafter
      called the “Corporation”), transferable upon the books of the Corporation by the
      holder hereof in person or by duly authorized attorney upon surrender of this
      certificate properly endorsed. This certificate and the shares represented
      hereby are issued under and shall be subject to all the provisions of the
      Certificate of Incorporation and By-Laws of the Corporation (copies of which
      are
      on file at the office of the Transfer Agent of the Corporation), to all of
      which
      the holder by acceptance hereof assents.

     

    This
      certificate is not valid unless countersigned by the Transfer
      Agent.

     

    Witness
      the facsimile seal of the Corporation and the facsimile signatures of its duly
      authorized officers.

    

    Dated:

    

    
      	 	 	 
	
              COUNTERSIGNED:

              CONTINENTAL
                STOCK TRANSFER

              &
                TRUST COMPANY,

              as
                Transfer Agent

               

            	
              By:__________________

               

            	
              By:__________________

               

            
	
               

               

              Authorized
                Officer

               

            	
               

               

              Assistant
                Secretary

               

            	
               

               

              President

               

            
	 	 	 

    

    STONELEIGH
      PARTNERS ACQUISITION CORP.

    CORPORATE

    SEAL

    2005

    DELAWARE

    *

     

    
      
         

      

      
         

        
          

        

      

      
         

      

    

    STONELEIGH
      PARTNERS ACQUISITION CORP.

     

    The
      Corporation will furnish without charge to each stockholder who so requests,
      a
      statement of the powers, designations, preferences and relative, participating,
      optional, or other special rights or each class of stock or series thereof
      and
      the qualifications, limitations or restrictions of such preferences and/or
      rights.

     

    The
      following abbreviations, when used in the inscription on the face of this
      certificate, shall be construed as though they were written out in full
      according to applicable laws or regulations:

     

    
      	 	 
	
              TEN
                COM - as tenants in common

              TEN
                ENT - as tenants by the entireties

              JT
                TEN - as joint tenants with right of survivorship
                and not as tenants in
                common

               

            	
              UNIF
                GIFT MIN ACT - _________ Custodian _________

              (Cust)
                (Minor)

              under
                Uniform Gifts to Minors

              Act
                ___________________

              (State)

               

            
	 	 

    

    Additional
      abbreviations may also be used though not in the above list.

     

    For
      value
      received, ___________________ hereby sell, assign and transfer unto

     

    PLEASE
      INSERT SOCIAL SECURITY OR OTHER

    IDENTIFYING
      NUMBER OF ASSIGNEE

     

    ____________________________________________________________________________________________

    (PLEASE
      PRINT OR TYPEWRITE NAME AND ADDRESS, INCLUDING ZIP CODE, OF
      ASSIGNEE)

     

    ____________________________________________________________________________________________

     

    ____________________________________________________________________________________________

     

    _______________________________________________________________________________________shares

     

    of
      the
      capital stock represented by the within Certificate; and do hereby irrevocably
      constitute and appoint ______
      _____________________________________________________________________________________Attorney

     

    to
      transfer the said stock on the books of the within named Corporation with full
      power of substitution in the premises.

     

    Dated
      ____________________

     

    ____________________________________________________________________

    NOTICE:
      THE
      SIGNATURE TO THIS ASSIGNMENT MUST CORRESPOND WITH THE NAME AS

    WRITTEN
      UPON THE FACE OF THE CERTIFICATE IN EVERY PARTICULAR,

    WITHOUT
      ALTERATION OR ENLARGEMENT OR ANY CHANGE WHATEVER.

    

    Under
      no
      circumstances shall the holder of this certificate have any right or interest
      of
      any kind in or to the funds held in that certain trust fund established on
      behalf of the holders of the Corporation's Class B common stock.

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