The MILWAUKEE 100-Piece SHOCKWAVE Impact Driver Bit Kit is engineered to offer users the Most Durable, Best Fitting driver bits on the market. This driver bit set provides users with a wide range of solutions for drilling, driving, and fastening jobs. Each bit features Wear Guard Tip for increased wear resistance, which protects the fit over the life of the bit. All impact driver bits have an optimized Shockzone for each tip type and length to efficiently absorb peak torque and prevent breaking. The Custom Alloy76 Steel is customized and heat treated per tip type to extend the life of the driver bit by up to 50X vs. competitive impact driver bits. The SHOCKWAVE Driver Bits are built to deliver extreme durability in the most demanding applications. This 100-piece kit includes a Compact Bit Holder, 3 Nut Drivers ranging from ¼"-?", 1"-3.5" Phillips Bits, 1"-3.5" Square Bits, 9/64"-¼" Hex Bits, ?" -¼" Slotted Bits and 1"-3.5" Torx Bits.