FainWan 4-Pack 12mm Wheel Hex Hub 20mm Extension Adaptor Longer Combiner Coupler for 1/10 RC Crawler Scx10 D90(Red)

Compatible with 1/10 RC Rc Crawler Scx10 Rc4wd D90 20mm Long Extension Material: Aluminum alloy. Color:Red Package Included: : – 20mm long extension (end to end) – 5mm bolt – 4 x 2mm x 10mm pins