Ko-ken Tools 3/4 in Square Drive 12-Point Surface Drive Deep Impact Socket, 20mm - 16310M-20 Vices Bit box with the wide

Bit box with the wide range of bit sizes and drive adaptor with bit locking

L2 Size: 115mm

Experience unmatched versatility with a combination wrench

A Width of Slot: 1-7/32 in (Refer Drawing Image)

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Ko-ken Tools 3/4 in Square Drive 12-Point Surface Drive Deep Impact Socket, 20mm - 16310M-20 Vices Bit box with the wideKo ken Tools 3 4 in Square Drive 12 Point Surface Drive Deep Impact Socket, 20mm 16310M 20 Surface 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.