Arrow Fastener T50VP Heavy Duty 5-Piece Staple Gun Kit Includes iconic T50 staple gun, America's best-selling staple gun T50 features an all-chrome steel housing, jam-resistant mechanism, powerful coil spring, staple viewing window, and steel working parts Also includes one box of 5/16" staples, one wire attachment, one screen attachment, one staple lifter and a custom made carrying case Works great on weather-stripping, fencing, upholstery, and insulation Replacement staples 5/16", 1250 per box Made in the USA Uses 6 sizes of T50 staples 1/4-inch - 9/16-inch