EX-4.1





 Exhibit 4.1 

NUMBER UNITS 
 U- 
 SEE REVERSE FOR CERTAIN 

DEFINITIONS 
 CUSIP 

CRUCIBLE ACQUISITION CORP. II 

UNITS CONSISTING OF ONE SHARE OF CLASS A COMMON STOCK AND 

ONE-FOURTH OF ONE REDEEMABLE WARRANT, EACH WHOLE WARRANT ENTITLING THE HOLDER TO PURCHASE ONE SHARE
OF CLASS A COMMON STOCK 
 THIS CERTIFIES THAT
                                 is the owner of
                     Units. 
 Each Unit
(“Unit”) consists of one (1) share of Class A common stock, par value $0.0001 per share (“Class A Common Stock”), of Crucible Acquisition Corp. II, a Delaware
corporation (the “Company”), and one-fourth (1/4) of one redeemable warrant (each whole warrant exercisable for one share of Class A common stock) (the
“Warrant”). Each whole Warrant entitles the holder to purchase one (1) share of Class A Common Stock (subject to adjustment) for $11.50 per share (subject to adjustment). Only whole Warrants are exercisable. Each
Warrant will become exercisable on the later of (i) thirty (30) days after the Company’s completion of an initial merger, capital stock exchange, asset acquisition, stock purchase, reorganization or other similar business combination with
one or more businesses (each a “Business Combination”), and (ii) twelve (12) months from the closing of the Company’s initial public offering, and will expire unless exercised before 5:00 p.m., New York City Time,
on the date that is five (5) years after the date on which the Company completes its initial Business Combination, or earlier upon redemption or liquidation. The shares of Class A Common Stock and Warrants comprising the Units represented
by this certificate are not transferable separately prior to                     , 2021, unless Credit Suisse Securities (USA) LLC elects to allow
separate trading earlier, subject to the Company’s filing of a Current Report on Form 8-K with the Securities and Exchange Commission containing an audited balance sheet reflecting the Company’s
receipt of the gross proceeds of its initial public offering and issuing a press release announcing when separate trading will begin. No fractional Warrants will be issued upon separation of the Units and only whole Warrants will trade. The terms of
the Warrants are governed by a Warrant Agreement, dated as of March 5, 2021, between the Company and Continental Stock Transfer & Trust Company, as Warrant Agent, 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 One State Street, 30th
Floor, New York, New York 10004, and are available to any Warrant holder on written request and without cost. 
 Upon the consummation of
the Business Combination, the Units represented by this certificate will automatically separate into the Class A Common Stock and Warrants comprising such Units. 

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

This certificate shall be governed by and construed in accordance with the internal laws of the State of New York. 

Witness the facsimile signature of its duly authorized officers. 
  

					
	  
	  		  	  

	[Title]	  		  	[Title]

  
  

 
  

CRUCIBLE ACQUISITION CORP. II 
  

 












 The Company will furnish without charge to each unitholder 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
  

TEN ENT
  

JT TEN
	 	 —
  

—
  

—
	  	 as tenants in common
  

as tenants by the entireties
  

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(s), assign(s) and transfer(s) unto ________________ 

PLEASE INSERT SOCIAL SECURITY OR 
 OTHER 

IDENTIFYING NUMBER OF ASSIGNEE 
  

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

 
  
  

 
 _______________Units represented by the within
Certificate, and do(es) hereby irrevocably constitute and appoint 
 ________________________Attorney to transfer the said Units on the books of the
within named Company 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 whatsoever.


  
  












 Signature(s) Guaranteed: 

THE SIGNATURE(S) MUST 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 (OR ANY SUCCESSOR RULE) 
 UNDER THE SECURITIES EXCHANGE ACT OF 1934, AS 

AMENDED). 
 In each case, as more fully described in the
Company’s final prospectus dated                 , 2021, the holder(s) of this certificate shall be entitled to receive a
pro-rata portion of certain funds held in the trust account established in connection with the Company’s initial public offering only in the event that (i) the Company redeems the shares of
Class A Common Stock sold in its initial public offering and liquidates because it does not consummate an initial business combination by                 , 2023, or
by such later date approved by the Company’s stockholders in accordance with the Company’s amended and restated certificate of incorporation, (ii) the Company redeems the shares of Class A Common Stock sold in its initial public
offering in connection with a stockholder vote to amend the Company’s amended and restated certificate of incorporation (A) to modify the substance or timing of the Company’s obligation to allow redemption in connection with the
Company’s initial business combination or to redeem 100% of the shares of Class A Common Stock sold in its initial public offering if it does not complete its initial business combination by
                , 2023, or (B) with respect to any other provision relating to the holder(s) rights or pre-initial business
combination activity, or (iii) if the holder(s) seek(s) to redeem for cash his, her, its or their respective shares of Class A Common Stock in connection with a tender offer (or proxy solicitation, solely in the event the Company seeks
stockholder approval of the proposed initial business combination) setting forth the details of a proposed initial business combination. In no other circumstances shall the holder(s) have any right or interest of any kind in or to the trust account.