3pcs RC Model Airplane Aircraft Landing Sponge Wheel D100mm H33mm d6mm Product Name : RC Airplane Sponge Wheel;Wheel Size : 100 x 33mm/ 3.9" x 1.3"(D*H) for Shaft Dia : 6mm/0.16";Material : Sponge, Nylon Color : Black, Off White Net Weight : 124g Package Content : 3 x RC Airplane Sponge Wheel