Arrow T50 Series 505M Staple, 5/16 in W Crown, Monel

T50 staples 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.