The Ejoyous 4pcs 1 2 Inch Oarlock Bushings Nylon Threaded Oar Lock Socket Inserts Anti Slip Oar Sleeves are a crucial replacement part for rowers and boat hardware. Made from high-quality nylon, these durable inserts provide superior grip and stability against any slippage, ensuring safe and efficient rowing. The threaded design ensures a perfect fit, while the anti-slip coating prevents accidental release, providing peace of mind for both users and boat operators. Designed for boat rowing oars, these inserts are designed with the rower in mind, ensuring optimal performance and comfort. With a sleek and streamlined design, these inserts not only look great but also function efficiently, making them a perfect addition to any rowing enthusiast's collection.