Made of High Quality Material, Stronger And More Durable, Improve The Appearance Easy to use,Easy to replace Specifications: Outer diameter: 85mm Inner diameter: 50mm Width: 45mm Hex: 12mm Aperture: 3.5mm Suitable for:WLtoys 144001 124016 124017 124018 124019 12428 HBX 16889 16890 RC Car Colour: black Material: plastic+rubber Size: 85 x 45mm Package Contents: 4 x RC Car Large Tires Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.