The CRL Aluminum Adapter is machined to run smoothly while on the CRL9257 Scratch Polisher or when used with the Cat. No. 5704 Shank Adapter. The WFD03112 All Wool Felt Wheel is adhered to the bottom surface of this Adapter by using Cat. No. 3M8001 Super Weatherstrip Adhesive or Cat. No. LN601 Construction Adhesive.