A wheel for running your 1:10 scale RC car in snow and sand. 4.5 mm diameter axle hole. 15 mm Hex (point to point) on the inside surface 4 mm deep. 14 mm diameter front recess that is 3 mm deep. 107.6 mm diameter wheel. Tread is 20 mm wide. Spokes are 5 mm thick. Print with support so the hex recess turns out nice. I sell these for $15 a set to RC car guys. These have a commercial licence so you can print and sell your own too. Made in SketchUp Pro.