Dock Edge Inflatable Dock Wheel 12 Diameter12 Smooth rolling wheels offer substantial dock cushioning and feature molded-in valves to adjust the level of firmness. Heavy-duty Hot Dipped galvanized hardware mounts securely to the dock. Guides boats into your slip easily, regardless of wind and current conditions. Integrally molded ribs both top and bottom of these wheels make them valuable dock and boat protection and a formidable guard against impacts. Product Specifications:Part No.: 95-072-FDescription: Dock Wheel, Corner Mount, 12, White