Feature: 1. Suitable for strong impact and high-strength screw-driving operations, suitable for screwdrivers/electric screwdrivers/hand drills, especially for impact screwdrivers 2. Impact resistance, the bit hardness is as high as 62HRC, and the length is increased to absorb torque to reduce damage, and it is easy to penetrate steel plates, wood and the like with special nails 3. And the whole is magnetized, which can be used for adsorption fixing screw operation 4. It is treated with phosphating black, which is wear-resistant and not easy to rust Specification: 1.Model: Cross screwdriver 2.Material: Alloy Steel 3.Size: 65/70/90/150mm 4.Color: Black 5.Bitsize:PH2 6.Quantity: 3PCS/set Package Include: 3pcs x Batch Head(65+70+90mm) or 3pcs x Batch Head(65+90+150mm) Notes: 1. Due to manual measurement, please allow 1-3mm error. 2. Due to the difference of different monitors, the picture may not reflect the actual color of the item.