Sea Dog Horn Ribbed Pinned Oar LockThis horn ribbed pinned oar lock makes an excellent choice for aluminum vessels because it will not cause a catalytic corrosion. Recommended for freshwater use, this oarlock is ideal for light service duty. With die cast zinc chrome plated construction, the ribbed pinned oar lock ensures maximum durability.Features: Die Cast Zinc Chromed Plated; Ideal For Light Service Duty; Corrosion Resistant; Excellent Choice For Aluminum Vessels; Recommended For Freshwater Use; Sold In Pairs; Specifications: Shaft Diameter: 1/2"; Shaft Length: 2";