Whiteside BB600 18 Pc. General Bearing Repair Kit is a comprehensive set designed for replacing bearings on most router bits with ease. This kit includes spare bearings, screws, and a wrench to ensure you have everything needed for efficient and precise repairs. Inside, you will find five B3 bearings measuring 1/2" OD by 3/16" ID, two B2 bearings sized 3/8" OD by 3/16" ID, ten socket head cap bearing screws (5-40 x 1/4"), and a convenient 3/32" hex key wrench. Manufactured by Whiteside Machine Company in Claremont, North Carolina, this kit quality and reliability for your bearing repair needs. Model Number: BB600