Corner Polisher Concrete Corner Hand Grinder Home»Grind and Polish Equipment»Hand Grinders»Corner Polisher Item Number SAS.FMM250 Overview: Ideal for Finishing Corners, Around Doorway's, and Stairway's on your Polished Concrete Job Variable-Speed Triangular Sanding Pad Oscillates Between 12,000 RPM and 21,000 RPM Smooth and Quiet Operation Request a Quote Schedule a demo Service Manual Product Brochure Technical Data: Tool Weight: 14 lbs (6 kg) Required Circuit: 110 Volt | 15 AMPS Disc Size: 7 in (178 mm) RMP: Up to 8500 RPM Dimensions (L x W x H): 23 x 11 x 11 in (584 x 280 x 280 mm)