Arrow Fastener 505SS1 Genuine T50 5/16-Inch Stainless Staples, 1,000-Pack 5/16-Inch Stainless Staples 1,000 per box Flat crown with 3/8-inch width Fits many Arrow models and other brands such as Powershot, Craftsman, Ace, Master Mechanic, and Stanley Stainless steel staple resists rust Made in the USA