Features: 1.Dimensions: Wheel height is 280mm/11.0in, diameter is 136mm/5.3in, width is 86mm/3.4in, mounting plate size is 150x100mm/5.91x3.94in. 2.Prevent Boat Damage: Inflatable boat launching wheel will avoid damage to your boat due to boats movement, with a steering wheel locking device. 3.Easier to Move Dinghy: This dinghy towing wheel is easy to mount to the bottom of your boat to move your boat on the beach or other ground. 4.Premium Material: Made of graphite filled nylon resin with high abrasion resistance, high temperature resistance, waterproof and durable. 5.Practical Wheels: Launch wheels fit in behind the tubes and transom of even the smallest of craft without obstructing movement of the outboard motor. Specification: Item Type: Dinghy Wheels_x000D_ Material: Nylon_x000D_ Quantity: 1 Pair_x000D_ Wheel Height: Approx.280mm/11.0in_x000D_ Wheel Diameter: Approx. 136mm/5.3in_x000D_ Wheel Width: Approx. 86mm/3.4in_x000D_ Mounting Plate Size: Approx. 150x100mm/5.91x3.94in, 4 Fixing Holes_x000D_ Function: Avoid damage to your boat due to boats movement, this trailer wheel has a steering wheel locking device to move your boat on beach or other ground_x000D_ Application: Fit for Inflatable Boats, Aluminum Jon Boats, dingies Boats, and Dinghy Raft PackageList: 2 x_x000D_ _x000D_ Dinghy Wheels 8 x Bolt 16 x Washer 8 x Rubber Ring 1 x Manual