Features: *designed for kyosho turbo optima mid special 30623 *specially designed to lower the weight and keep the rigidity *gold color nuts installed & steel screws included to hold the belt dust cover in place firmly (the original kyosho upper deck cannot hold the dust cover screws firmly) *made from 100% carbon fiber and designed for strength *2mm thick material *direct replacement & upgrade *lightweight *made in taiwan *cars, parts, accessories & others are not included (kos04355-11)