Kreg DB210-MBB Micro Bit and Bushing DB210 replacement micro bit and bushing Replace bushing and bit with ease Creates 25% smaller pocket hole than a standard bit 9/64-inch Foreman Micro Drill Bit with Guide; 1/4-inch Shank Designed with a hardened high-speed steel and can be used for the Kreg Foreman DB210 Pocket Hole Machine.