3M Scotch-Brite Autoscrubber Floor Pad 20" 50cm The softness of the pad means that it won't scratch/damage protected floors. Open construction resists clogging and allows for easy cleaning. Scrubs and cleans without dulling the finish. Open construction resists clogging and is ideal for use on an autoscrubber and for coated surfaces. Specifications Center Hole Yes Center Hole Diameter (Metric) 8.5 cm Channel_Partner Online Retailer-Distributor Colour Green/Orange, Green/Amber Diameter (Metric) 500 mm Machine Speed 150-1200 RPM Material Non-Woven Polyester Fibre Product Type Buffing Pads, Burnishing Pads Recommended Surfaces Ceramic, Linoleum, Marble, Plastic, Terrazzo Shape Round Size 20 in Surface Type Linoleum, Sheet Vinyl, VCT Thickness (Metric) 25.4 mm Typical Application Floor Scrubbing, Wet Cleaning Pack of 5 Pads