Milwaukee Shockwave 10pc. Hex drill bit set, 48-89-4445. Milwaukee; Shockwave impact duty™ 1/4" Hex drive drill bits are engineered for extreme durability and up to 10x life. Made from proprietary steel and heat treated to control hardness, The Shockwave impact duty™ hex drive drill bits feature the Milwaukee Thunderbolt; web for durability and chip removal paired with taper-fit construction for a stronger bit with less wobble. The bits include a 135° split point to allow the bit to start on contact and eliminates walking. Broadly targeting cordless users, the Shockwave impact duty™ accessory line is not only ideal for heavy duty impact applications, but delivers a full system solution for all the user's drilling and fastening needs. Proprietary steel and heat treat process for maximum strength and durability. Thunderbolt® tapered web and parabolic flute for durability and chip removal. 135° split point to start on contact and eliminates walking. , lot of 1