Arrow Fastener T50 3/8-inch crown 16-gauge stainless-steel staples (1000-pack) are designed to resist corrosion when used in high-moisture environments. These staples are made from durable 16-gauge stainless steel and feature a 3/8-inch crown size. Designed for use with Arrow, Powershot, Craftsman, Black and Decker, Stanley, Ace, and other narrow-crown heavy-duty staple guns.