Shockwave Impact Duty drill bits and driver bits are engineered for extreme durability. Made from proprietary steel andheat treated to control hardness, these driver bits feature an innovatively designed geometric shock absorption zone toextend life. Forged tip allows for a secure grip and maximum contact eliminating stripping or slipping. Shockwave Impact Duty hex drive drill bits feature the Thunderbolt web for durability and chip removal paired with taper-fit construction for a stronger bit with less wobble. Drill bits include a 135 deg (degree) split point to allow the bit to start on contact and eliminates walking. 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. Set includes (1) insert 1/2" socket adapter, (1) 1/4" magnetic nut driver, (1) 1/4" Shockwave hex drive bit, (1) 1/8" drill bit, (1) 3/16" Shockwave hex drive bit, (1) 3/8" magnetic nut driver, (1) 3/8" socket adapter, (1) 5/16" magnetic nut driver, (1) Shockwave compact magnetic bit holder, (1) hex bit 1" 1/4", (1) hex bit 1" 1/8", (1) hex bit 1" 3/16", (1) hex bit 1" 5/32", (1) Phillips b