CNC-machined premium-quality aluminum set-up tires for 1/8 GT cars allow completely exact and repeatable set-up modification and tweak modification. Eliminates set-up mistakes inherent to create use of standard off road tires. Precision-machined to exacting tolerances, each aluminum set-up wheel in buddies is completely matched. Great for journey height checking, tweak checking and camber checking of all the GT cars.