3pcs RC Model Airplane 2mm Shaft Dia Sponge Tire Wheel 45mm 1.8" Product Name : RC Airplane Sponge Wheel;Wheel Size : 45 x 18mm/ 1.8" x 0.7"(D*H) for Shaft Dia : 2mm/0.08";Material : Sponge, Plastic Color : Black Net Weight : 20g Package Content : 3 x RC Airplane Sponge Wheel