This high quality helicopter rotor head is just designed for RC super fans. It's compatible with WLtoys V931 RC helicopter. Good choice for you to enjoy more flying joys.<br> <br> Features:<br> Easy to install.<br> 100% brand new.<br> Light weight and portable to carry.<br> High quality and durable in perfermace.<br> Compatible with WLtoys V931 RC helicopter.<br> <br> Specifications:<br> Item Name: Helicopter Rotor Head<br> Color: Red<br> Material: Metal<br> Compatible with: WLtoys V931<br> Item dimension: 13.9 * 11 * 4mm<br> Item weight: 1g<br> <br> Package information:<br> Package size: 1.4 * 1 * 0.4cm / 0.5 * 0.4 * 0.2in<br> Package weight: 2g / 0.1oz<br> Poly bag package<br> <br> Package list:<br> 1 * Helicopter Rotor Head<br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>