ITEM NAME:3-Piece Flexible Socket Extension Bar Set 1/2 1/4 3/8 Drive 10 inch 8 inch G1W6 3-Piece Flexible Socket Extension Bar Set 1/2 1/4 3/8 Drive 10 inch 8 inch G1W6 Durable Chrome-Vanadium anvil and anvil-receiver with mirror chrome finish; Heavy-duty wound spring-steel; PVC sleeve Easily solve the repair the car engine stricture uninstall screw, professional deal with ordinary screwdriver can not reach the corners and stenosis. Spring-loaded ball detents lock in to prevent parts from slipping into machinery; Square drive radius corners reduce tool and socket wear Maintains excellent rotational torque-transfer from ratchet to socket; Heavy-duty wound spring-steel provides flexibility to 45-degrees Can be connected to an electric drill, rechargeable electric drill or manual wrench,stricture, reaches to them unable to arrive at the twist the screw, nut. Pick up the handle is applicable to all electric drill and spanner, functional head is provided with a lock and the magnetic device, ensure the sleeve will not drop. colour:Silver Material:metal Package Contents: 1 * 1/4 inch Drive (150mm long) 1 * 3/8 inch Drive (200mm long) 1 * 1/2 inch Drive (250mm long)