6” Standard G Mop Compounding Head - 5/8" Thread. Features and Benefits: General purpose foam applicator with a high cutting action Suitable for use on most paint systems Developed specifically for use with water Recessed back plate safeguards against accidental surface contact Available in 3 thread sizes - 14mm, 5/8" and 16mm For use with: G3 Regular Grade Paste Advanced G3 Liquid G4 Paste Advanced G4 Liquid G6 Rapid Grade Paste G10 Extra Fine Grade Liquid For use on: Refinish paint GRP and composite surfaces Acrylic surfaces Furniture coatings (Priced Per Each).