These brass oar locks come in a pair, and in 2 sizes. Small Oar Lock SpecsFor your next extended whitewater rafting adventure, bring along a spare set of OSG Brass Oar Locks. Brass can be bent, reset multiple times without losing its strength Designed to be used with 1 3/8 Oar Shafts Large Oar Lock SpecsFor your next extended whitewater rafting adventure, bring along a spare set of OSG Brass Oar Locks. The OSG Brass Oar Lock provides a solid connection between your raft’s frame and oar and are strong enough to withstand the burliest class V rapids and school-bus size holes. This ultra-strong Brass Oar Lock fits AIRE frames to keep you out of a pinch. 7-inch oar locks Brass can be bent, reset multiple times without losing its strength Large size Designed to be used with 1 7/8 Oar Shafts