[Upgraded High Hardness and Strong Magnetic Bit]: D1 Anti-Slip and Shock-Proof Bits with Screwdriver Bits are made of High-quality materials, high hardness, wear resistance and impact resistance, it is toughness and durable to use long time. Built for High-impact high_strength screwdriving, Suitable for screwdrivers, especially impact drivers [Non-slip Shock Proof serrated blade]: Qufckthrough metal Shock reststantand notcracked Easily penetrate metal plates with dovetail nails. Saygooibye для screwslippage Screw deep bite effectively reduces Head slippage Greatly improve work efficiency.[Non-slip Magnetic Impact Bit]: наш набор магнитных отверток feature a powerful magnetic, anti-slip fine Tooth design that securely holds screws in position, allowing for effortless one-handed operation.[Impact-Resistant Magnetic Bit]: Strong torque, high torque After touching the screw head Impact screwdriver the resulXting collision reaction force partly absorbed by torsion Effectively prevent the cutter head from breaking.[Anti-Shock High Hardness and Strong Magnetic Bit]Quickly through Metal Shock reststantand notcracked Easily penetrate metal plates with dovetail nails. Широко используется в керамической плитке, витрифицированном кирпиче, стекле, бетоне, металле, дереве и других буровых целях.Specification: 25+50+65+70+90+150material: alloy steelcolour: BlackPackage Contents: 12 x drill bitsOnly 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 +/- 1-3 см.