Features and Benefits:?Wear Guard Tip? protects fit over the life of the bit?Optimized Shockzone? absorbs peak torque and prevents breaking?Custom Alloy76? Steel engineered for extended life?Up to 50X Life vs other impact bits?Laser etched size for easy identificationMilwaukee? SHOCKWAVE? Impact Duty? driver bits are engineered to be the most durable, best fitting driver bits on the market. The optimized Shockzone? geometry is unique for each tip type to provide up to 30x longer life and absorbs 3x more torque vs. other impact bits. The Precise Fit Custom Machined Tip? prevents stripping and reduces wobble while the Custom Alloy76? steel and proprietary heat treat process maximizes resistance to wear and shock. SHOCKWAVE? driver bits are built to deliver extreme durability for the most demanding applications.