Our SHOCKWAVE� Impact Duty� Square Bits are engineered to be the Most Durable, Best Fitting driver bits on the market. The Wear Guard Tip� delivers increased wear resistance which protects the fit over the life of the bit. The Shockzone� is optimized for for each tip type and length of driver bit to absorb peak torque and prevent breaking. The Custom Alloy76� has customized steel and heat treatment per tip type to extend the life of the driver bits, providing up to 50X life vs. competitive impact driver bits. The MILWAUKEE� SHOCKWAVE� driver bits are built to deliver extreme durability for the most demanding applications.