6” Standard G Mop Polishing Head - 5/8" Thread. Designed to achieve the best results when used with Farécla compounds Available in 3 thread sizes: 14mm, 5/8” and 16mm Features and Benefits: General purpose foam applicator with fine cutting action and gloss enhancement Extra thickness foam ensures removal of final residue and good durability Recessed back plate safeguards against accidental surface damage For use with: Farécla Automotive: G10 Extra Fine Grade Liquid, Gold Top Machine Glaze For use on: Most paint systems (Priced Per Each).