Brownells Magna-Tip Super Set Screwdriver Bit #150-4 - 0.150" Blade Diameter, 0.035" Thin Bit

The Brownells Magna-Tip Super Set Bit #150-4 is a precision replacement screwdriver bit designed for use with the Brownells Magna-Tip interchangeable bit handle system. This thin-style bit features a 0.150" blade diameter (SD) and a 0.035" blade thickness (BT), allowing gunsmiths to properly fit firearm screws without damaging surrounding metal or finish. Sold without a handle, it is intended for use with a compatible Magna-Tip handle purchased separately.