The screwdriver handle can meet batch head (a word cross T word plum blossom socket head hex extension rod universal joint can receive bending bar). 45 teeth ratchet can improve the operation speed. Is open throttle, in air conditioning, seat nut, tire fenders, car door locks, home (basic contains) usually used in the suit small screw nut the ideal of a set of tools. Rapid fall off ratchet wrench (positive and negative adjustable), The push button quick release feature ensures that the socket is locked securely while in use, but also allows for easy removal or quick change of socket evev with greasy or oily finger. The socket using chrome vanadium steel 50 bv30 cold-press forming, torque 50% higher than that of carbon steel, use inferior smooth processing, good rust prevention effect. Batch head adopts cr-v materials, stronger hardness, toughness is higher., Manufacturer: QAXRZCUCD