Document:

Exhibit 4.1

 

NUMBER U-

 

SEE REVERSE FOR CERTAIN DEFINITIONS

 

CUSIP 00461L 204

 

ACKRELL
SPAC PARTNERS I CO.

 

UNITS CONSISTING OF (I) ONE SUBUNIT,
CONSISTING OF ONE SHARE OF COMMON STOCK AND ONE-HALF OF ONE REDEEMABLE WARRANT, 

AND (II) ONE-HALF OF ONE REDEEMABLE WARRANT,

EACH WHOLE WARRANT ENTITLING THE HOLDER
TO PURCHASE ONE SHARE OF COMMON STOCK

 

THIS CERTIFIES THAT                    is
the owner of                    Units.

 

Each Unit (“Unit”)
consists of one (1) subunit (“Subunits”), consisting of one share of common stock, par value $0.0001 per share (“Common
Stock”), of Ackrell SPAC Partners I Co., a Delaware corporation (the “Company”), and one-half of one
(1) warrant (“Warrant”), and (ii) one-half of one (1) Warrant. Each whole Warrant entitles the holder to purchase
one share of Common Stock for $11.50 per share (subject to adjustment). Each whole Warrant will become exercisable on the later
of (i) 30 days after the Company’s completion of an initial merger, capital stock exchange, asset acquisition, or other similar
business combination with one or more businesses or entities (a “Business Combination”) and (ii) 12 months from
the closing of the Company’s initial public offering (“IPO”), and will expire unless exercised before
5:00 p.m., New York City Time, on the fifth anniversary of the completion of an initial Business Combination, or earlier upon redemption
or liquidation. The Subunit(s) and Warrant(s) comprising the Unit(s) represented by this certificate are not transferable separately
until ninety days following the IPO, unless EarlyBirdCapital, Inc. informs the Company of its decision to allow earlier separate
trading, except that in no event will the Common Stock and Warrants be separately tradeable until the Company has filed an audited
balance sheet reflecting the Company’s receipt of the gross proceeds of its initial public offering and issued a press release
announcing when such separate trading will begin. The terms of the Warrants are governed by a Warrant Agreement, dated as of ___________,
2020, 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 1 State Street, 30th Floor, New York, New York
10004, and are available to any Warrant holder 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 signatures of its duly authorized officers.

 

	 	 	 
	Chief Executive Officer	 	Secretary

  

     

     

    

 

Ackrell SPAC Partners I Co.

 

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	 	—   	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 and not as tenants in common	 	 	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)

  

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

 

__________________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 whatever.

 

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).	 

 

The holder(s) of this certificate shall
be entitled to receive a pro-rata portion of the funds from the trust account with respect to the Subunits underlying this certificate
only in the event that (i) the Corporation is forced to liquidate because it does not consummate an initial business combination
within the period of time set forth in the Corporation’s Amended and Restated Certificate of Incorporation, as the same may
be amended from time to time (the “Charter”) or (ii) if the holder seeks to convert his subunits upon consummation
of, or sell his subunits in a tender offer in connection with, an initial business combination or in connection with certain amendments
to the Charter. In no other circumstances shall the holder(s) have any right or interest of any kind in or to the trust account
with respect to the subunit underlying the unit.Exhibit 4.2

 

	
        NUMBER

        C-
	
        SHARES

        CUSIP 00461L 105

	 	 
	SEE REVERSE FOR CERTAIN DEFINITIONS	 
	 	 

 

ACKRELL SPAC PARTNERS I CO.

INCORPORATED
UNDER THE LAWS OF dELAWARE

COMMON STOCK

 

THIS
CERTIFIES THAT                         is
the owner of            FULLY PAID AND NON-ASSESSABLE SHARES OF COMMON
STOCK OF THE PAR VALUE OF $0.0001 EACH OF ACKRELL SPAC PARTNERS I CO., transferable on the books of the Company in person or by
duly authorized attorney upon surrender of this certificate properly endorsed.

 

The
Company will be forced to liquidate if it is unable to complete an initial business combination within the time period set forth
in the Company’s Amended and Restated Certificate of Incorporation, as the same may be amended from time to time.

 

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

 

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

 

Dated:

 

	 	 	 
	President	 	Secretary 

 

     

     

    

 

ACKRELL SPAC PARTNERS I CO.

 

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 equity or series thereof of the Company and the qualifications, limitations,
or restrictions of such preferences and/or rights. This certificate and the shares represented thereby are issued and shall be
held subject to all the provisions of the Company’s Amended and Restated Certificate of Incorporation and all amendments
thereto and resolutions of the Board of Directors providing for the issue of securities (copies of which may be obtained from the
secretary of the Company), to all of which the holder of this certificate by acceptance hereof assents.

 

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 and not as tenants in common	 	 	 	
        under Uniform Gifts to Minors Act

        _____________________________

        (State)

 

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

 

For value received,                     
hereby sells, assigns and transfers unto                     

 

PLEASE INSERT SOCIAL SECURITY OR OTHER
IDENTIFYING NUMBER(S) OF ASSIGNEE(S)

 

	 

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

 

	 

 

	 

 

                              shares
of Common Stock represented by the within Certificate, and hereby irrevocably constitutes and appoints

 

                    Attorney
to transfer the said shares of Common Stock on the books of the within named Company with full power of substitution in the premises.

 

Dated:                    

	 	 
	 	Notice:  The signature(s) 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) 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).	 

 

The holder(s) of this certificate shall
be entitled to receive a pro-rata portion of the funds from the trust account only in the event that (i) the Corporation is forced
to liquidate because it does not consummate an initial business combination within the period of time set forth in the Corporation’s
Amended and Restated Certificate of Incorporation, as the same may be amended from time to time (the “Charter”)
or (ii) if the holder seeks to convert his shares upon consummation of, or sell his shares in a tender offer in connection with,
an initial business combination or in connection with certain amendments to the Charter. In no other circumstances shall the holder(s)
have any right or interest of any kind in or to the trust account.

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