SHOCKWAVE impact duty™ driver bits, nut drivers, sockets and socket adapters are engineered for extreme durability and up to 10X life. Made from proprietary steel and heat treated to control hardness, it feature an innovatively designed geometric shock absorption zone to extend life. The forged tip allows for a secure grip and maximum contact eliminating stripping or slipping. 26 piece drive and fasten set provides a fastening solution for all standard hexagonal sizes 1/4 to 9/16 inch. Set contains 1 Phillips bit 1 P1, 1 Phillips bit 1 P2, 3 Phillips bit 1 P3, 1 square bit 1 SQ1, 2 square bit 1 SQ2, 1 square bit 1 SQ3, 2 TORX® bit 1 T20, 2 TORX® bit 1 T25, 1 TORX® bit 1 T30, 1 1/4 hex to 3/8 square adapter, 1 1/4 magnetic nut driver, 1 Phillips bit 2 P2, 1 square bit 2 SQ2, 1 TORX® bit 2 T20, 1 TORX® bit 2 T25, 1 slotted bit 1 SL3/16, 1-3/8 drive: 1/2 socket, 1-3/8 drive: 9/16 socket, 1-3/8 inch magnetic nut driver, 1 5/16 magnetic nut driver, 1 SHOCKWAVE™ compact magnetic bit holder.