Gori Ring Anode for 3-blade propeller on Shaft

Zink anode for shaft drive in 3 different sizes. 

18-20" anode fits on this Hallberg-Rassy models:
Used on Hallberg-Rassy boats from 1999 and later
Hallberg-Rassy 36
Hallberg-Rassy 37 with shaft drive
Hallberg-Rassy 39
Hallberg-Rassy 40
Hallberg-Rassy 42
Hallberg-Rassy 43 D2-55
Hallberg-Rassy 46 TMD31

22-26" anode fits on this Hallberg-Rassy models:
Hallberg-Rassy 43 D2-75,
Hallberg-Rassy 44
Hallberg-Rassy 46 TAMD S
Hallberg-Rassy 46 TAMD31
Hallberg-Rassy 46 Yanmar
Hallberg-Rassy 48
Hallberg-Rassy 53
Hallberg-Rassy 54
Hallberg-Rassy 55

28-30" anode fits on this Hallberg-Rassy models:
Hallberg-Rassy 57
Hallberg-Rassy 62
Hallberg-Rassy 64