5-Piece Torque Limiting Extension Bar Set, 1/2" Drive, 8" Long, 65-140 Ft-lbs, C

5-Piece Torque Limiting Extension Bar Set, 1/2" Drive, 8" Long, 65-140 Ft-lbs, CR-MO, SAE Standard, Color-Coded Impact Socket Extension Bar Set with Storage Case, for Tire Repair & Drills. [SAFETY LOCKING SPRING BALL DESIGN] The spring-loaded, rust-resistant locking ball on the top of this torque socket extension bar securely locks the socket to prevent slippage during high-torque operation.