Pad Driver, Color Blue, Diameter 11 3/4 in, Material Polyethylene Rotomold, Product Type Pad Driver, Overall Length Not Applicable, Overall Width Not Applicable, Pad/Brush Size 11 3/4 in, Shape Round, Speed - Maximum 350 RPM, Fits Machine Size 24 in, Compatible with Grainger Part Number 488Z12, Includes (2) Driver Assemblies, Thickness 8 7/8 in, Application Cleaning, Polishing, Compatible with Manufacturer Part Number 1237770, Series Not Applicable