Top takeaways
- The MAGNA-TIP Bit Shaping Stone is designed for custom-shaping MAGNA-TIP and Brownells Fixed Blade screwdrivers.
- To use, the stone is chucked into a drill press, and the screwdriver bit is ground to match the screw slot while secured in a vise.
- The large stone has a ¼" (6.35mm) shank, operates at 25,000 rpm, and measures 1-9⁄16" (3.97cm) in diameter by ½" (12.4mm) thick.
Attributes