Westward Socket 5MV86 These sockets have a 3/8-inch square drive, compatible with tools of the same size. They come in SAE sizes measured in inches and fractions, suitable for fasteners with an SAE (inch) size head. Socket Size / 3/4 inch Socket Shape / 12-Point Material / Alloy Steel Finish / Chrome Socket Depth / Deep Drive Type / Hand Drive Size / 3/8 inch Measurement Type / SAE Impact Rated / No Number of Points / 12 Overall Length / 2-1/2 inch Tether Ready / Yes