Proto® J5660 Standard Socket Extension, Imperial, 3/4 in, 4 in OAL, Ball Locking

• Extensions help provide access to fasteners in areas that might otherwise be difficult to reach
• Suitable for use with 3/4 in drive sockets

Warranty: Lifetime

Standard/Approvals: ASME B107.10M, AS 4283

Proto® Socket Extension | Standard | Measurement System Imperial | 3/4 in Drive | 4 in Overall Length | Ball Locking | Alloy Steel | Full Polished | STA-BLKHAW