Trouble-free installation: Easy and quick installation process Applicable models - For use with 600 series tub/shower faucets, excluding Monitor, Scald-Guard and Mix Included accessories - Knobs included for added convenience Restricted use - For use on products only Original features - Made to its original specifications Quality performance - Rigorously tested for quality performance Additional features - Compatible with crystal handles except Mix and Scald-Guard Use scenarios - Home bathroom replacement: Use this kit to replace worn or missing knobs on a 600 series tub/shower faucet, restoring function and appearance with parts made to the original specifications. - Renovation with crystal handles: In a bathroom remodel, upgrade to crystal handles on a compatible 600 series faucet (excluding Mix and Scald-Guard) using the included knobs for a coordinated look and reliable operation. - Hospitality upgrade: In a hotel or rental property, standardize knob hardware on 600 series faucets to improve maintenance efficiency and ensure consistent performance across rooms, while avoiding Monitor, Scald-Guard, and Mix models.