EXTRA LONG TORX BIT: T10 6" Torx Bit with 1/4" Quick-Change Shank (Star Bit Driver) A TORX BIT made of industrial-grade hardened, tempered tool steel grips torx screw head and reduces cam-out. Extra Long Torx Bit T10 Torx Bit/ Star Drive grips screw head reducing cam-out and making it easier not to drop screw 1/4" Quick Change Shank works with adapters Great for reaching into tight places Heavy Duty, industrial grade, hardened and tempered tool steel to last