Trim Tab/Hull Anode – AluminumUsed as a trim tab anode and many other applications.Performance Metals Navalloyaluminum anodes are manufactured to the military specification MIL-DTL 24779 and are suitable for use in all water types- salt, brackish, or fresh.The anode includes the exclusive, patented red spot wear indicator.Replaces:A-24 Specifications:Material: AluminumBox Dimensions: 1″H x 2″W x 5″L WT: 0.27 lbsUPC: 870648001314