Makita 4-1/2" Rubber Backing Pad is designed for use with Makita 4-1/2" Angle Grinders in a variety of material removal applications. Each pad is manufactured from high quality rubber for added durability and long life. The pad installs quickly and easily for added convenience. - EFFICIENCY : Allows the use of 4-1/2" Resin Fiber Abrasive Discs - CONVENIENCE : Installs quickly and easily - DURABILITY : High quality rubber material for long life - DESIGN : For use with Makita 4-1/2" Angle Grinders - INCLUDES : 4-1/2" Rubber Backing Pad Wheel size / 115mm Spindle Thread / M14 x 2 (DIN) Size / 100mm MAX. RPM / 12000rpm