For high burnish polishing of metal, gold, silver, non-ferrous metals, brass, aluminium, ceramics and porcelain with the use of polishing paste. Also for reconditioning painted woods and plastics. Shaft Ø 2.35mm. The chamois leather dressed with Novus polish works well on plastics, acrylics and epoxy. Ensure each chamois wheel is dedicated to its respective Novus paste numbers 3, 2, and 1.