[DETAIL] Feature: Shock Resistant Screwdriver Bits- Built for high-impact high_strength screwdriving,Suitable for screwdrivers, especially impact drivers Non-slip serrated blade- Saygooibye to screwslippage Screw deep bite effectively reduces head slippage Greatly improve work efficiency Hardness��62HRC-High precision optimization Material. The hardness of bit head is as high as 62HRC stronger and mofe durable Mechanics Principle Design- 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 Shock Proof-Qufckthrough metal Shock reststantand notcracked Easily penetrate metal plates with dovetail nails Specification: Material: D1 Alloy Steel Color: Black" [ATTRIBUTES] - Hign-concerned Chemical: None - Brand Name: DSPIAE - Origin: Mainland China - Hign-concerned Chemical: None - Brand Name: DSPIAE - Origin: Mainland China - DIY Supplies: Woodworking - Type: Twist Drill Bit - Use: Other