Use any brand or size of heavy-duty staples. A unique black painted all-in-one staple gun. Easy drop in staple loading. Viewing window lets you know if you need to load staples. For use with Surebonder #4, #5, #6, #11 heavy-duty staples or Arrow T50, PowerFast, Stanley, Duo-Fast, Bostitch, Craftsman, Master Mechanic, Do-it, Ace Hardware, Black & Decker? and Unifix staples.