This CRL Makita® 7" (178 mm) Disc Sander-Polisher is a compact, lightweight tool for sanding and polishing. It has a powerful, double-insulated 7.9 AMP (115V AC) burnout protected motor with a maximum speed of 2000 RPM. A Quick-Flip™ Speed Change Button lets you choose two speed settings: Low (600 RPM) and Variable (600 to 2000 RPM). The ball and needle bearings and the switch are sealed to protect against dust. This sander/polisher comes with a 7" (178 mm) hook and loop polishing pad. To use the CRL PSA sanding discs order Cat. No. PAD7. To use the CRL 7X78 sanding discs order Cat. No. 1929782 (pad) and 2245171 (locking nut).