CM67F4537100M - Magnesium Anode - for fresh water only. Not recommended for salt or brackish water. 
YAMAHA Trim Tab Anode 67F-45371-00
Fits V6, 60 - 70 - 75 - 85 - 90 - 115 - 130 - 150 - 175 - 200 - 225 HP
Dimensions:
Length...