Arrow 50824 T50 Staples 12mm 1/2in (Pack Of 1250) The Arrow 50824 12mm staples are suitable for the T50 and T55 tackers and can be used for canvas, roofing paper, vapour barrier, and more. They are designed to deliver exceptional holding power for all heavy-duty stapling applications. Features: Universal fit with Dewalt, Bostitch, Stanley and other brands that use T50 (1/2\", 12mm) staples Steel Zinc Flat Crown Staples Best for softwoods, insulation, carpet padding, house wrap and roofing paper Specification: Package Quantity: 1250 staples Size: 1/2\" (12mm)