Proto J4990-4M 3/8" Drive Hex Socket Bit 4 MM, Full Polished Chrome
List Price: $14.40
You Save: $6.53 (45%)
Part Number: J4990-4M UPC: 662679160333 Weight: 0.11
•Made using a heat treated alloy for wear-resistance which helps minimize distortion for a long life. •Hex opening holds the bit allowing the bit holder to take the torque load.