Main functions:1. 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)2. The socket using high-quality chrome vanadium steel 50 bv30 cold-press forming, torque 50% higher than that of carbon steel, use inferior smooth surface processing, good rust prevention effect. Batch head adopts cr-v materials, stronger hardness, toughness is higher.3. Rapid fall off ratchet wrench (positive and negative adjustable), The push button quick release feature ensures taht 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. and our high quality 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. Material: High-carbon steel Case Color: Red/GreenThe socket max. size: 14 mmSet Contents:Flowers Hex: T10 / T15 / T20 / T25 / T30 / T40Inner flat head hex: H3 / H4 / H5 / H6 / H7 / H8A word: SL4 / SL5.5 / SL7Cross: PH1 / PH2 / PH3M word: PZ1 / PZ2 / PZ313-1/4″ DR Sockets: 4-4.5-5-5.5-6-7-8-9-10-11-12-13-14MM 3-hex key wrenches: 1.5/2.0/2.5MM 1-1/4″ DR universal joint1-1/4” X2” extension bar 1-1/4” X4” extension bar 1-1/4” X6” flexible extention 1-1/4” DR sliding T bar 1-1/4” quick ratchet handle 1-6” spinner handle 1-bit adaptor 1- blow case