Shockwave Impact Driver 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 each tip type and length of driver bit to absorb peak torque and prevent breaking. The Custom Alloy76 has a customized steel and heat treatment per tip type to extend the life of the driver bits, providing up to 50X life versus competitive impact driver bits. Shockwave driver bits are built to deliver extreme durability for the most demanding applications. Designed from the ground up, this 56-piece 3/8 in. drive ratchet and socket set offers better access in tight spaces and maximum tool strength. The 90-tooth ratchet tool offers 4° of arc swing and a slim profile design, so you can work in tighter spaces. The innovative, wrench-compatible socket design has 4 parallel flats to help prevent rolling. Optimized socket geometry additionally helps reduce bolt rounding and stripping.