Oar Sleeve: Protect your oar shafts from wear with these plastic oar sleeves. These adjustable sleeves fit Cataract and Carlisle oars. BladeRite Oar Stop: Keeping oar blades at a right angle is critical to staying on your line. The BladeRite Oar Stops work with Oar Sleeves and oar locks to do just that. The BladeRites are unique design which increases the downward oar range of motion by 12 degrees or 30%. Vendor: Outcast