Mxfans Black Beard Pattern Rubber Tires & Black Plastic 4 Holes Wheel Rims 12mm Hex RC 1:10 On Road Racing Car Pack of 4 It is suitable for RC 1:10 On Road Car ,which is easy to install. Beard pattern tyres are made of rubber,with sponge inside. Wheel Rims are made of plastic which has lighter weight, new appearance, and more flexible mobility. Drive hex is 12mm Note: The tyres and wheel rims are separated, you need to assemble and glue them together by yourself.