Use these blank laser W2 forms if your software prints on blank 3 up horizontal forms. In addition 3 FREE W-3 Summary Forms are included in each order! If you would need additional W3 forms please order product BW305 Compatible: The 83634I W2 form is compatible with all software that print W2 3 up using blank forms and is compatible with Quickbooks Online versions. Details: These forms have a 1/2" perf on the right side and have employee instructions printed on them Construction: Laser Blank Form: W-2 Size: 8 1/2" x 11" Forms /Sheet: 3up Horizontal Perforation: 3 2/3", 7 1/3" Vertical Side Perforation: 1/2". Per Pack: 100 sheets. Related Products: Compatible envelopes are Item # 1973 for the gummed flap and Item # 1973S for the self-seal flap .