Sand cast aluminum construction, for maximum corrosion resistance and durability. Weldable base for permanent installations. Designed for use on aluminum vessels. Cast 356-T6 Aluminum. This alloy contains lead.
| Brand | Sea-Dog Line |
| A | 6" |
| B | 1-3/8" |
| C | 2-1/4" |
| D | 1-1/4" |