Westward Socket 5MX91 These sockets have a 3/4-inch square drive that is compatible with tools of the same size. The socket sizes are measured in inches and fractions of an inch, which makes them suitable for fasteners with an SAE (inch) size head. These 3/4-inch drive SAE sockets are perfect for people who work with fasteners of different sizes and want to ensure that their drive tools are compatible. Socket Size / 2-inch Socket Shape / 12-Point Material / Alloy Steel Finish / Chrome Socket Depth / Standard Drive Type / Hand Drive Size / 3/4 inch Measurement Type / SAE Impact Rated / No Insulated / No Locking / No Non-Sparking / No Number of Points / 12 Overall Length / 2-13/16 inch Tether Ready / Yes