Pad Driver Color Black Diameter 10 7/8 in Material Polyethylene Rotomold Product Type Pad Driver Overall Length Not Applicable Overall Width Not Applicable Pad/Brush Size 10 7/8 in Shape Round Speed - Maximum 160 RPM Fits Machine Size 11 in Compatible with Grainger Part Number 61DW93 Includes Not Applicable Thickness 2 15/16 in Compatible with Manufacturer Part Number 1251580 Features Not Applicable Series Not Applicable