This key blank is for various boat switches by The Clum Manufacturing Company and Mercury Marine (Mariner, Mercury, and Quicksilver). It is a new-old-stock item. As such, some or all pieces of this stock may bear random and negligible marks (i.e. nicks and discoloration). Apart from that--every key blank is in excellent, serviceable condition. Please, refer to the photos. The offer is for 1 key. Please, note that there are two key blanks in each photo; however, as indicated above, the offer is for one (1) key blank. Equivalent to: CU6, CU5, CU3S, CM-6, CLU5, CLU-5, CLM16, CL5, C8, 255, 1040E. NOTICE TO BUYER: PLEASE, MAKE CERTAIN YOU HAVE SELECTED THE CORRECT ITEM; BE SURE THAT THE LISTED ITEM INFORMATION MATCHES WITH THE ITEM THAT YOU WISH TO PURCHASE. * If you don't find what you're looking for in our booth, do not hesitate to contact us with an inquiry. If we have the item (s) in our unlisted inventory, we will make every effort to list it for you. Thank you. International Buyers - Please Note: Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to buying.