Bearing enlargers are useful for changing profiles, widths, and rabbeting depths of ball bearing-piloted router bits. Additional profiles expand the usefulness and versatility of bits for mortising, spiral cuts and edging in wood and other materials. For use with Bosch bearing enlargers with 3/16 In. outside diameter pilots.

Benefits
Used for changing profiles, widths, and rabbeting depths
Excellent durability
Used with ball bearing-piloted router bits
Used on router bits with 3/16 In. outside diameter pilots