This is the Hudy Universal Set-up System for all 1/8 off-road cars and fits all 1/8 nitro off-road cars. Having the best car setup is one of the most important factors in winning races. Precision-machined, hard-coated high-grade aluminum components allow very easy and accurate set-up of your 1/8 off-road car.The entire system is very small, light, and well-designed for comfortable and fast transport, and “one screw assembly.” The engraved scales and markings are easy to read, and all parts move very freely due to precision ball-bearings.All Hudy Set-Up Systems allow you to comfortably and easily measure and adjust camber & camber intake, caster, front & rear toe, and steering throw symmetry.Set-up system is used for adjustment of: