6” Advanced G Mop Back Plate with Interface Pad - 14mm Thread.Features and Benefits: Hook and loop system for easy interchange between applicators Steel thread for optimum durability Interface pad helps prolong the life of the applicator Also available packaged as part of the Farécla Total Dry Use System For use with: Advanced G Mop Lambswool Pad Total Dry Use Compounding Foam (Priced Per Each).