1/2 Sq. Dr. Socket 17mm Surface Length 77mm T9 Thin Walled Output Size: 33mm

Thin Walled Output Size: 33mm Opening: 6pt

Input Drive Size: 3/8" Drive Shape: Square Length: 32mm Type: 12 Point Socket Output Size: 5/16" Opening: 12pt

Input Drive Size: 1/2" Drive Shape: Square Length: 98mm Type: Inhex Bit Socket Output Size: 5mm Output Shape: Hex

Input Drive Size: 1/2" Drive Shape: Square Length: 38mm Type: 12 Point Socket Output Size: 9/16"

D1 Size: 155mm D2 Size: 127mm H1 Size: 62mm H2 Size: 146

1/2 Sq. Dr. Socket 17mm Surface Length 77mm T9 Thin Walled Output Size: 33mmSurface 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. Input