Surebonder 88012 T50 Type Stainless Steel Number-4-Number-55012 Heavy Duty Staple, 1/2-Inch Length Stainless Steel .417" Crown, 1/2" Leg Length Surebonder: 5690 Triggerfire 5600 HD 3 in 1 Stapler 5685 HD Contractor Gun 5800 HD Hammer Tckr 5900N Electric Stplr/Nailer 9600A Pneumatic Stapler ArrowT50, StanleyTR110 TR150HL Powerfast(Swingline)31690,31890, Ace Hdwe2014413, Craftsman,68517,68492,68515, Black & Decker5700 Applications: canvas, carpeting, felt stripping