Technic Axle to 1/10th & 1/8th scale RC Wheel 12/17mm Hex Adapter compatible with Lego Technic

Adapter for Lego Technic Axle to 1/8th scale RC wheels. 

Full metal construction. 

For RC wheels using a 12mm hex fitting (usually 1/10th scale) & 17mm hex fitting (usually 1/8th scale). 

4 x adapters to 1/10th scale included

4 x adapters to go from 1/10th scale to 1/8th scale

Photos show standard Technic wheel, 1/10th scale RC wheels and 1/8th scale wheel.