SUZUKI TRIM TAB ANODE SUZUKI ZINCS According to the Manufacturer Always check propeller clearance after installing new trim tab anodes. Aluminum for salt and brackish water magnesium for fresh water zinc for salt water. Description Standard Skeg Material: Zinc Alloy - For use in Salt Water; - NOT recommended for use in Fresh Water; - Alloy is manufactured to meet or exceed U.S. Military Specification (US Mil-A-18001K) Don t be fooled by claims that only one alloy will protect in all water environments. Only MARTYR Anodes offers you the choice of the right protection for any application! You are bidding on a Brand New Item. We are a full service Marina with over 700 slips. We have been in business for over 41 years. This is not someone in there basement who knows nothing about parts and just drop ships items. We have this part in stock ready to ship. Any order paid by 4:00 will ship next business day. Anything after 4:00 will ship the following business day. We are not looking to sell a bunch of parts and move on. We are hoping that after you buy this you will see how easy it is to deal with our company how fast we ship and you will call us for any and all of your future marine needs. We want your business and we will work very hard to earn it.