Features These 1 inch drive SAE impact sockets come with a one-inch square drive that's compatible with drive tools of the same size. Sockets come in sizes that are measured in inches and fractions of an inch to fit fasteners with an SAE (inch) size head. Socket Size / 13/16 in Socket Shape / 6-Point Drive Type / Impact Drive Size / 1 in Compatible Fastener Type / Bolts, Screws, Studs Tether Ready / No Material / Alloy Steel Finish / Black Oxide Impact Rated / Yes Socket Depth / Standard Socket Length / 2 1/2 in Measurement Type / SAE Non-Magnetic / No Non-Sparking / No