<b>Specification:</b><br>Material:Aluminum <br>Width: approximately 2 inches<br>Length: approximately 3 inches <br>Inner diameter of round tube: approximately 1 inch <br>Inner diameter of plastic pipe mouth: approximately 0.98 inch <br>Diameters of the three screw ports: approximately 0.51 inch，0.19 inch and 0.19 inch <br><br><b>Features:</b><br> Good appearance and texture.<br>Good corrosion resistance.<br>Easy and quick to install.<br> Durable,long lasting high aluminum materials.<br><br>Package included:</b><br>2 pcs Aluminum Boat Oar Lock