Quick Summary
The Sea-Dog Line ribbed pin oarlock is a chrome plated zinc oarlock sold as a pair. It is a ribbed pin style part, and the included details make the fit checks especially important before choosing it for an existing setup.
The stated shaft diameter is 7/16", the shaft length from collar to hole is 1-7/16", and it is compatible with SeaDog 580450 and 580451 sockets.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Brand | Sea-Dog Line. Useful for matching the exact product family. |
| Product type | Ribbed pin oarlock. This is the main part type to compare against your boat setup. |
| Finish | Chrome plated. A visible finish detail that helps identify the variant. |
| Material | Die cast zinc. Important for identifying the exact construction. |
| Shaft diameter | 7/16". Check this against the socket or mounting setup. |
| Shaft length | 1-7/16" from collar to hole. This affects fit with the matching socket. |
| Compatibility | Compatible with SeaDog 580450 and 580451 sockets. Confirm the socket model before buying. |
| Quantity | Sold in pairs. The pack count matters if you need one or two oarlocks. |
What to Compare Before Buying
- Socket match: This oarlock is compatible with SeaDog 580450 and 580451 sockets. Check the socket model on your boat before ordering.
- Shaft size: The shaft diameter is 7/16". Compare that measurement with the socket opening or existing hardware.
- Shaft length: The collar-to-hole length is 1-7/16". Make sure that length matches your setup needs.
- Pack quantity: It is sold in pairs. Confirm that you need two oarlocks, not one.
- Finish and construction: The part is chrome plated zinc with a ribbed pin style. Check that this is the version you want for replacement or matching purposes.
What Else You May Need
To use this part, you need a compatible SeaDog socket, specifically 580450 or 580451. If your boat uses a different socket model, compare that part first.
Before You Decide
Confirm the socket model, shaft diameter, shaft length, and pair quantity before choosing an offer. If your existing setup does not match the stated SeaDog socket compatibility, a different oarlock version is needed.





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