The Innovative Oar Right is a oar stopper with a guide that fits between your oarlock horns and keeps the oar blade in a vertical position. Helps position your oar for the most effective, powerful stoke. Can be used over your oar shaft protection of choice (rope wrap, plastic sleeve, etc.). Oar stopper & guide for maximum stroke efficiency Molded, glass filled nylon for durability Easy to install 2 piece clamp on style with stainless steel bolts Designed to fit over oar shaft protection Sold individually The Small Oar Right will fit oars in 1 3/8 to 1 5/8 diameter ( most small pontoon, kick boats and pram oars ) The Large Oar Right will fit oars in 2 to 2 1/4 inch diameter ( most whitewater oars ) QUANTITY ALERT ( x1 ): 1 = 1 Oar