This item is for 4pcs wheels.

4x Model Plane Aircraft Tire & Wheel for RC Car Airplane Wheel Replacement Parts

Material: rubber tire, plastic hub

Color: as shown in the picture

Size(Diameter x Axle Hole x Tire Thickness):

25mm x 2.1mm x 9mm / 1.0 inch x 0.08 inch x 0.35 inch

32mm x 2.1mm x 10mm / 1.25 inch x 0.08 inch x 0.4 inch