Item Type: Input Center Driveshaft Cup Material: Steel Gross Weight: 24g / 0. 8oz Height: 19mm / 0. 7in Applicable Model: for ARRMA 1/5 RC Car 1Steel Material: RC car center input driveshaft cup is made of hard steel, which is rust proof, wear proof, sturdy and strong to use, and better control your RC car. 2Improved Driving Force: Steel center driveshaft cup has higher carrying capacity and larger driving angle, which can maximize the power of the remote control vehicle. 3Applicable Model: This hard steel input shaft cup is designed for ARRMA 1/5 RC car, fine workmanship and high accuracy can maximize the power of the RC car. 4Powerful Transmission: The more efficient power transmission system provides more stable driving and improves the driving force of the remote control car. 5Easy to Install: Reasonable design, RC car drive shaft cup is convenient installation and disassembly, direct replacement of damaged parts, and higher strength.