This inflatable dock wheel offers you substantial cushioning and includes a valve to adjust its firmness. The fitting is reinforced and galvanized by hot dipping. Facilitates the boat's approach to mooring, regardless of wind or current. 9" Roto-moulded wheel. Hot dipped galvanized steel bracket. Integral moulded in ribs give extra support. Smooth rolling wheel features substantial cushioning while guiding your boat into its slip. Made in Canada.