characteristic Built-in spring design of fast clamping extension rod makes the batch change faster. S2 impact- and diamond-like materials are more . The strong magnetic sleeve has high concentricity and strong magnetism, which can hold the accessories tightly to prevent them from falling off. The telescopic design of magnetic positioning extension rod screws self-tapping screws, which can be operated by one hand without support, and does not slip in . describe Name: screwdriver combination set Material: metal color: silver Quantity: 42pcs/set Equipped with plastic boxes, it is easy to carry and not easy to lose, which is more worry-free. Package Contents: 1 x screwdriver combination set Only 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.