Rubber tool grips work as a helpful part of the HYGEN™ Microfiber Cleaning Cart. They allow easy attachment of mop and broom handles. Rubber grips add convenience by allowing easy transport of important cleaning tools. Replacement Tool Grip. Accessory Type: Tool Grip; For Use With: Rubbermaid® Commercial 9T73, 9T74; Material(s): Rubber; Color(s): Black.