Flexible shafts allow improved access in tight space, maintains excellent rotational torque-transfer from ratchet to socket. Spring-loaded detents lock in to prevent parts from slipping into machineries. Square drive radiuses corners reduce tool and socket wear. Flexible Socket works in areas that conventional screwdrivers can't reach solve the repair the car engine stricture uninstall screw easily. Equipped with a wrench clamping grooves, which can be clamped by a wrench. When there is no ratchet wrench, it can be used to clamp the wrench. The extension rod turn the sleeve.