Sierra 18-6046 Zinc Rudder Anode A-Diameter 2 1316 or 71 mm Dimension B 12 or 13 mm Nominal Weight 0.90 lbs or 0.40 Kg Material Zinc Interchangeable with Tecnoseal R2 California Residents WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov Other Details Google Product Type DONOTSEND Wiser Yes Product MPN 18-6046 Product UPC 030999564177 Fast Ship In Stock Ships Today