Pad Driver, Color Black, Diameter 19 1/2 in, Material Polyethylene Rotomold, Product Type Pad Driver, Overall Length Not Applicable, Overall Width Not Applicable, Pad/Brush Size 20 in, Shape Round, Speed - Maximum 175 RPM, Fits Machine Size 20 in, Compatible with Grainger Part Number 4VDX7, Includes Not Applicable, Thickness 11 15/16 in, Application Cleaning, Scrubbing, Compatible with Manufacturer Part Number FM-17-DS, FM-17-SS, FM-20-DS, FM-20-SS, FM-43-SS, FM-51-SS, Features Not Applicable