1/2 Sq. Dr. Socket 13mm Surface Length 37mm 1 13/16 inch these sockets make contact with

these sockets make contact with the flat sides of nuts

Input Drive Size: 1/4" Drive Shape: Hex Length: 66mm Type: Stud Setter Opening: 5/16"

Input Drive Size: 3/8" Drive Shape: Square length: 25mm Type: Inhex Bit Socket Output Size: 10mm Opening: Hex

7mm L Size: 75mm

1/2 Sq. Dr. Socket 13mm Surface Length 37mm 1 13/16 inch these sockets make contact withSurface drive sockets are designed to retain contact with flat sides of nut to transmit high torque and reduce nut wear. Compared to FLAT DRIVE, SURFACE DRIVE utilizes contact on the larger area closer to the center of the bolt or nut. SURFACE DRIVE is useful for painted face nuts or any bolt or nut made of soft material, with less risk of damaging the faces. SURFACE DRIVE can also be useful for a bolt or nut that has been damaged or deformed. Drive