As shown in pictures
This product would be ideal for applications requiring precision hex socket fasteners like hardware or plumbing work, where an 1/8" pitch is insufficient but the larger 3/8" pitch offers better grip and durability.
2 NEW Proto 3/16" Hex Bit Replacement For 4990 3/16" Hex Bit Only Qty 2
Proto 4990 5/32” Hex Bit 3/8” Drive Socket ~ Qty 2
2 – PROTO 4990-3/16ST, 3/16" Short Hex Bit Socket 3/8" Drive. NEW
(QTY 2) Proto J7290-4M: Hex Bit Impact Socket 3/8 Drive x 4mm
11/16-18 NS x 1-7/16" Hex CS Hex Die Rethreading A1 416-04418
Proto J46518 , 6mm T-Handle Hex Key
