<p><b>Description:</b></p><p> - Strong corrosion resistance and durable in saltwater circumstance</p><p> - Great accessories for kayak, canoe, marine boat, dinghy, lifeboat, water raft boat, yacht and so on</p><p> - Fits 1 3/4" oars rod</p><p> - Material: Nylon</p><p> - Inner Diameter: Approx. 4.5 cm/1.77 inch</p><p> - Total Length: Approx. 14.5 cm/5.7 inch</p><p> - Color: Black</p><p><b>Package Includes:</b></p><p>2 Pieces Boat Oar Lock</p><p><b>Note:</b></p><p>Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!</p>