See: Exotek Racing

Exotek Racing have introduced two new sets of front and rear wide hexes for the Tekno RC EB410 and ET410. Precision machined from 7075 aluminium, the hexes come polished, anodized in navy color and feature clamping design for extra security. The front 6.5mm wide hex is +2mm (per hex) and the rear 7.5mm wide hex is +3mm (per hex) compared to the stock hexes to allows you to fine tune the width of your buggy. The 6.5mm wide hexes can be used with the front or rear axles while the 7.5 hexes are for use the rear axles only. The wide hexes are available in set of 2 and come with M2 hardware.