DRIVR BIT TRX #20X3-1/2" *Brand Name: Diablo *Drive Type: Torx *Size: #20 *Length: 3-1/2 in. *Product Type: Driver Bit *Material: Black Oxide *Number in Package: 1 pc *Impact Rated: Yes *Shank Type: Hex Shank *Shank Diameter: 1/4 in. *Packaging Type: Carded *Magnetic: No *Discovery SUP