CM821630C2M - Magnesium Anode - for fresh water only. Not recommended for salt or brackish water. 
BRAVO 1 / BRAVO 2 / BRAVO 3
Dimensions:
Length: 177.80mm (7.000in)
Width: 107.95mm (4.250in)
Depth: 14.22mm (0.560in)
...

CM3841427A - Aluminium Anode - for use in salt and brackish water.
Dimensions:
Length: 93.98mm (3.700in)
Width: 93.98mm (3.700in)
Depth: 38.10mm (1.500in)
Categories: Sterndrive Anodes, Block Anode, Wedge Anode, Martyr...

CM1113094600Z - Zinc Anode - for salt water use. Not recommended for fresh water.
Fits YAMAHA 40HP & UP to 1997 & SUZUKI FB Outboard Motors
Dimensions:
Length: 10.16mm (0.400in)
Width: 22.86mm (0.900in)
Depth: 10....

CM821631A - Aluminium Anode - for use in salt and brackish water.
Fits Alpha One Gen 1 and Alpha One Gen II outdrives.
Dimensions:
Length: 101.60mm (4.000in)
Width: 76.20mm (3.000in)
Depth: 38.10mm (1.500in)
Categories...

CM3852970A - Aluminium Anode - for use in salt and brackish water.
Dimensions:
Length: 101.60mm (4.000in)
Width: 27.94mm (1.100in)
Depth: 101.60mm (4.000in)
Categories: Sterndrive Anodes, Bar Anode, Bracket Anode, Martyr...

CM821631Z - Zinc Anode - for salt water use. Not recommended for fresh water.
Fits Alpha One Gen 1 and Alpha One Gen II outdrives.
Dimensions:
Length: 101.60mm (4.000in)
Width: 76.20mm (3.000in)
Depth: 38.10mm (1.500in)...

CM3854130A - Aluminium Anode - for use in salt and brackish water.
Suits the following Volvo Penta Outdrives:
• DP-SM, DP-SM 1.68, DP-SM 1.78, DP-SM 1.95, DP-SM 2.32, DP-SMTD 1.95, DP-SMTD1 1.95, DP-SMTD3 2.11
• SX-M, SX-MTD,...

CMX15AL - Aluminium Anode - for use in salt and brackish water.
Dimensions:
Length: 96.01mm (3.780in)
Width: 144.78mm (5.700in)
Depth: 96.01mm (3.780in)
Categories: Propeller / Shaft Anodes, Propeller Anode, Martyr Anodes

CM822777A - Aluminium Anode - for use in salt and brackish water.
Dimensions:
Length: 83.82mm (3.300in)
Width: 88.90mm (3.500in)
Depth: 83.82mm (3.300in)
Categories: Outboard Anodes, Trim Tab Anode, Martyr Anodes, Mercury /...