This is a conventional speed floor pad. It has 175 to 600 RPM. It heavy-duty strips finish, dirt, and build-up.Uniform coating throughout pad assures longer-lasting performance in a variety of maintenance operationsFor use with rotary or automatic floor equipmentBlack20 in.This product is an industrial product manufactured outside of CA, thus is not subject to CA Prop 65, it has not been assessed for consumer sale or use