Yamaha Trim Tab Anode – 150-225 hp – AluminumUsed on Yamaha 2-stroke outboards: 150 hp (1988 and later), 175-200 hp (1988 and later), 225 hp (1990-1993). Also used on 4-stroke F150 (2004 and later).Performance Metals Navalloy® aluminum anodes are manufactured to the military specification MIL-DTL 24779 and are suitable for use in all water types- salt, brackish, or fresh.Specifications:Weight: 0.6 lbs (0.3 Kg)Standard Pack – 10What's Included?Mounting hardwareInstallation instructions*Replaces Yamaha # 6J9-45371-01