Brownells Magna-Tip Thin-Bit #120-1 Screwdriver Bit .120 SD .020 BT

Professional gunsmithing screwdriver bit designed for precision work on firearms. Features a .120 inch shank diameter (SD) and .020 inch blade thickness (BT). This thin-bit design allows access to tight spaces and delicate screws commonly found in gun mechanisms. Bit number 120-1 for easy identification and replacement. No handle included - designed for use with compatible Magna-Tip handles or standard bit holders.