Insert bit sets assorted - torx 7 piece Impact duty insert bits are engineered for extreme durability and long life. Made from proprietary steel and heat treated to control hardness and for shock absorption. Forged tip allows for a secure grip and maximum contact eliminating stripping or slippi ng. Assorted 1 inch Torx insert bits handle a variety of jobs and applications. Includes: 1 inch Torx Bits - (1) T10, (1) T15, (1) T20, (1) T25, (1) T27, (1) T30 and (1) T40.