Sea Dog Top Mount Oar LockThis top mount oar lock is ideal for light service duty and is recommended for freshwater use. Perfect for aluminum vessels due to its corrosion resistance, this oar lock also features a pin style and round horns that secure the oar in place in all sea conditions. Sold in pairs, this oar lock is constructed of die cast zinc chrome plated material for maximum durability.Features: Ideal For Light Service Duty; Corrosion Resistant; Takes 1/2" Diameter Oar Lock Shaft; Die Cast Zinc Chrome Plated; Recommended For Freshwater Use; Pin Style and Round Horns; Sold In Pairs; Specifications: Shank Diameter: 1/2"; Dimensions: 2" x 1-3/16";