5pcs 3.17mm RC Aluminum Bullet Propeller Adapter Holder for Brushless Motor
*Color: Silver*Material: Aluminum*Motor Axle hole diameter: 3.17mm*Single item size: 2.4 * 1.2cm(L * D)*Single item weight: 4g*Package weight: 21gpackage content:5pcs 3.17mm RC Aluminum Bullet Propeller Adapter