15' of cableDo Not connect to batteryZinc for saltwaterMagnesium for use in fresh waterAluminum for salt and brackish waterGROUPER ANODES (MARTYR ANODES)SKU: 6.28309E+11$99.49PriceQuantityAdd to CartFeaturesSize8-1/4" x 3-1/4" x 1-3/8"MaterialMagnesiumCase5