Coatic Carbon Fiber Washer Mod 8 it is crucial to have 191 it is crucial to have a UV blocker and moisturizing conditioner to replenish what is lost when we are away yet very effective Coatic Super Premium Carbon Fibre Washer Modification which creates a Gap compatible with Rupes bigfoot lh21 lhr15 and lhr12e duetto systems a must for professionals looking to supercharge backing plate rotation and correction power by bypassing the backing plate shroud and allowing for a higher spin rate and free spin orbits to enhance the compounding action of the polisher Think of it as adding a turbo or supercharger to your oem engine