<p>Specification: Shank Diameter: 1\/4 inch (6.35mm)</p> <p>Length: 25mm, 50mm, 65mm, 70mm, 90mm, 150mm(2 each)</p> <p>Hardness of batch : 62HRC</p> <p>Product features: High hardness, High torque, Strong magnetic force, Anti slip, Wear-resistant, Non rusting</p> <p>Scope of use: Mechanical repair, Furniture repair, Car repair, Camera repair, Toy repair, Bicycle repair</p> <p>Feature:</p> <p>Shock Resistant Screwdriver Bits - Built for high-impact high strength screwdriving,Suitable for screwdrivers, especially impact drivers</p> <p>Non-slip serrated blade - Saygooibye to screwslippage Screw deep bite effectively reduces slippage Greatly improve work efficiency</p> <p>Hardness 62HRC - High precision optimization Material. The hardness of bit is as high as 62HRC stronger and mofe </p> <p>Mechanics Principle Design - Strong torque,high torque After touching the screw Impact screwdriver The resulXting collision reaction force partly absorbed by torsion Effectively prevent the cutter from breaking</p> <p>Shock Proof - Qufckthrough metal Shock reststantand notcracked Easily penetrate metal plates with dovetail nails</p> <p>Material: Metal</p> <p>colour: As shown</p> <p>Package Contents:</p> <p>12 x Shock Resistant Screwdriver Bits</p> <p>Only the above package content, other products are not included.</p> <p>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.</p>