Rchobbytop 4-Pack Aluminum Alloy 12mm to 17mm Wheel Hex Hub Adapter 15mm Extension Conversion and Socket Wrench for 1/10 RC Car Upgrade to 1/8 Wheels, Blue

Specifications: Main material: aluminum alloy, anodized finish. Total length: approx. 23mm Max axle diameter: 5mm Axle thread: M4 NOTE: these are not suitable for 2WD models using bearings instead of 12mm hex hubs. Applications: This 12mm to 17mm adapter is used to install 1/8 scale wheels on the 1/10 on-road or off-road cars. Package Included: 4×Adapters 4×5mm Hex Bolts 4×Wheel Lock Nuts 1×Hex 17mm Wrench