The NRS Thole Oar Pin is the base for the pin and clip system. NRS heavy-duty steel 9" pins are held in place with a steel/nylon locknut. A molded rubber safety bumper on top prevents injury. Replaceable 3 1/2" PVC bushings protect pin and clip from wear. Powdered coated steel clips attach to the oar with two heavy-duty stainless steel hose clamps. Sold individually.