Genuine T50 staples 3/8 inch (10 mm). Corrosion resistant. How it all comes together. Universal Fit: Arrow T50. Stanley stapler. Dewalt stapler. Bostitch stapler. Roofing felt, housewrap, insulation, weather-stripping, wire mesh, carpeting, canvas, roofing paper, vapor barrier, etc. Universal fit with Dewalt, Bostitch, Stanley, Surebonder and other brands that use T50 (3/8 inch, 10 mm) staples. www.arrowfastener.com. Designed and assembled in USA.