Pinewood Pro Derby Car Speed Axles for Pinewood with Angled Head Machined Polished Axle Derby Axle Speed Axles 4 Axles

Features:machined axles with 2 grooves aim to store graphite, and reduce the contact area between the axle and the tire, making axles minimize friction, to increase the speed . Specifications: size:0.91 inches. weight:0.03 ounces. Quantity: 4PCS Derby Car Axle. Warm Tips: Due to manual measurement, there may be slight errors in size and weight. If you are not very satisfied with the goods received, please contact us in time, we will definitely provide you with satisfactory after-sales service.