Feature: 1. 304 Stainless Steel: Clamp on rowlock is constructed with polished finish 304 grade stainless steel, with exceptional performance. It ensures long lasting use, even in saltwater circumstances. 2. Wide Compatibility: The marine oarlock is designed to fit various watercraft such as kayaks, canoes, marine boats, dinghies, lifeboats, water raft boats, yachts, and more. 3. Easy Installation: Clamp on oarlock can be conveniently attached to the oar with just one adjustable bolt. No drilling is required, making it a hassle free and time saving option. 4. Stable and Secure: The boat oarlock provides a secure and stable connection between the oar and the boat. It ensures smooth rowing and minimizes the risk of losing or damaging the oar during water activities. 5. Resilient to Chemical: With strong rust resistance properties, clamp on oarlock offers reliable performance over time, even in harsh saltwater conditions. Specification: Item Type: Clamp On Oarlock Material: 304 Stainless Steel Size: Tube Size 1-5/8in, Length: 2in (52mm), Shaft Diameter: 1/2in (12.8 mm) Adjustable Diameter: Fits paddles 1.34in - 1.8in (34 mm - 46 mm). Function: Mounting plate rotates clockwise to prevent rowlock from coming off, release line lock requires counterclockwise rotation Application: Suitable for Marine, Boat, Yacht. Package List: 2 x Clamp On Oarlock