1. Screwdriver handle can be matched with screwdriver head ( T-shaped socket head hexagon extension bar universal joint can accommodate bending bar)2. The sleeve is made of high-quality chrome vanadium steel 50BV30 by cold pressing. The torque is 50% higher than that of carbon steel. The sleeve is treated with second-class smooth surface and has good rust prevention effect. The batch head is made of -V material, which has higher hardness and toughness.3. The ratchet wrench (positive and negative adjustable) that falls off quickly, the button quick release function can that the socket is firmly locked in the use process, and the socket can be easily removed or quickly replaced with greasy or greasy .4. Our high quality 45 tooth ratchet can improve the operation speed. It's an perfect set of tools for opening the accelerator, and the small nuts are usually used in air conditioning, seat nuts, tire fenders, door locks and household (basically included).Specification:Pattern hexagon socket:T10 / T15 / T20 / T25 / T30 / T40Flat head hexagon socket:H3 / H4 / H5 / H6 / H7 / H8Slotted:S4/S5.5/S7:PH1/PH2/PH3POZI:PZ1 / PZ2 / PZ313pcs 1 / 4inch hex sockets:4-4.5-5.5-6-7-8-9-10-11-12-13-14mm1pc 1 / 4inch universal joint1pc 1 / 4inch elastic extension rod2pcs 1 / 4inch extension rods (50mm, 100mm)3pcs L-type Hex (1.5-2-2.5mm)1pc 1 / 4inch slide bar1pc 1 / 4inch interface small square bar1pc 1 / 4inch quick release ratchet wrench1pc tool boxColour:BlackMaterial:Carbon steelPackage Contents:1 * Socket Ratchet SetOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.