READY FOR ACTION: These staples are used for all heavy-duty stapling applications: from installing insulation, housewraps, and roofing underlayment to upholstering fine furniture, installing window treatments, and making crafts | USE THE RIGHT TOOL: These staples are designed to be used with the Arrow staple guns, pneumatic tools, and hammer tackers, including the T50 Staple Gun, the 5700 Powershot Staple Gun and Nailer, the PT50 Pneumatic Staple Gun, the HT50 Professional Hammer Tacker, and more | HIGH-QUALITY CONSTRUCTION: The heavy-duty steel construction is designed for durable long-term holding | DRIVES DEEP: These staples feature precision points that drive deep into the base materials to ensure a firm, lasting hold when stapling into wood, fabric, carpet, or other materials | DIMENSIONS AND COMPATIBILITY: Leg length 1/2 Inch; Crown width 3/8 Inch; COMPATIBLE TOOLS: T50, T50X, T50HS, 5700, T50RED, T50PBN, T501, HT50, HTX50, HT50MG, T50ACD, T50DCD, T50AC, ET501C, ET501F, PT50