About this item T55BL Staple Gun Kit Including – Come with a T55BL staple gun kit and 3750 Pieces 1/4″, 3/8″, 1/2″ Arrow T50 staples (Each 1250 Pieces), providing options for a variety of projects T50 Stainless Steel Staples Pack Set Including – The Arrow Fastener 3/8″ T50 506SS1 stainless steel staples:3/8 in. crown size, 3/8 in. leg length, includes 1000 staples. The Arrow Fastener 1/2″ T50 508SS1 stainless steel staples:1/2 in. leg length, includes 1000 staples. T55BL Staple Gun Kit – Heavy Duty Construction Quality – Features a all chromed-steel housing which will have the strength for any job. The steel parts have been hardened in a 1,500-degree furnace for maximum durability T55BL Staple Gun Kit – Easy Operation – The rear-load magazine with jam-resistant mechanism provides a smooth stapling experience; The staple-viewing window takes the guesswork out of knowing when to reload that will make your work more efficient T50 Stainless Steel Staples Pack Set – Made of heavy duty, corrosion resistant steel,these staples will last you a long time and will hold you a fabric, wiring and anything else secure.Universal fit with ARROW T50, Dewalt, Bostitch, Stanley, Surebonder, and other brands that use T50 (1/2”, 12mm or 3/8”, 10mm) Staples.