6Pc Hex Shank Screwdriver Bit Holder Extension Bar Tough Keychain Driver Keyring
6Pcs 1/4 Hex Shank Aluminum Alloy Screwdriver Bits Holder Extension Bar Drill Screw Adapter Quick Release. 1Pc or 6Pcs x Bit Holder Key Chains. Application: The product is suitable for double head and single head batch.