Milwaukee 48-32-4578 SHOCKWAVE 3-1/2” Impact Torx T20 Power Bits 5PK The Milwaukee 48-32-4578 SHOCKWAVE 3-1/2” Impact Torx T20 Power Bits 5PK is 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 48-32-4578 SHOCKWAVE 3-1/2” Impact Torx T20 Power Bits 5PK is built to deliver extreme durability for the most demanding applications.