Arrow T50 1/4" staples with 1,250 staples/pack are the world’s best-selling heavy-duty staple platform. Made to deliver exceptional holding power, these staples are used for all heavy-duty stapling applications – from installing insulation, house wraps, and roofing underlayment to upholstering fine furniture and window treatments. A true workhorse of a fastener, Arrow T50 staples are made to precise specifications on state-of-the-art equipment. They have precision points that allow them to penetrate deep into the substrate, ensuring firm, durable retention when nailed to wood, fabric, carpet or other materials.Works with T50,5700,T50HS,T50X,T50PBN,HT55,HT55BL,T50DCD,T50ACD,T50AC,PT50,T50RED2