Auto repair toolbox includes sleeve, ratchet spanner and batch first class. made of high quality chrome-vanadium steel, it has high strength, strong corrosion resistance, durable and practical. it can be used in automobile industry, family maintenance, manufacturing and construction industry. 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) 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-steel materials, stronger hardness, toughness is higher.