1. This number of hex wideners is having a typical width of 25mm doing a wider wheel distance for stabilization. 2. This range hex wideners is having 4mm opening which will be appropriate other models supplied the sizes are fit. 3. you'll discover o-ring for a going fancy component and springtime metal musical company, springtime with washers, stainless screw in reverse element of tense up the hex wideners from free and a particular delrin collar spot into protected the hex constantly constantly in position for this reason your tires and tires are not vunerable to spin around, specially through crawling track your Axial SCX-10 II can face enough traction. This technique includes :