EXTRA LONG TORX BIT: T30 6" Torx Bit (6 inch long) with 1/4" Quick-Change Shank (Star Bit Driver)-- A TORX BIT / Star Driver made of industrial-grade hardened, tempered tool steel grips torx screw head and reduces cam-out. Extra Long Reach Torx Bit. Extra Long Torx Bit T30 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