https://anodesdirect.co.uk/product/00728bis-collar-anode-3-pieces-for-volvo-3-blade-sail-drive-4-blade-folding-prop/?v=7885444af42e
00728BIS Collar Anode 3 piece Volvo 3 Blade Sail Drive/4 Blade Fold Prop
Sep 10, 2022 - 00728BIS Zinc Collar Anode (3 pieces) for Volvo 3 Blade Sail Drive - 4 Blade Folding Prop - Manufacturers Original Part Number 3584442