IRWIN TORX Screwdriver Bit Set. The insert bits are manufactured from industrial-grade S2 steel for long life and durability. Engineered for use in hand-driving applications or with power tools when used with the IRWIN insert bit holder. Supplied in a compact carry case. Contains:

9 x 25mm TORX Bits: TX10, TX15(x2), TX20(x2), TX25(x2), TX30, TX40.
1 x Bit Holder.