This is a pair of 1/8 scale Lineup Buggy Tires and Buggy Wheels from DuraTrax. FEATURES: Square pin pattern ideal for hard packed (dry), blue groove (fast) and indoor clay (damp) track surfaces Premounted to dish style wheels molded in white with unique hub pattern that provides a better wheel nut grip Tires molded from worldwide race-winning long lasting C3 compound Color-coded sidewall markings make it easy to identify each tread pattern at a glance Resealable packaging INCLUDES: Two 1/8 scale Lineup Buggy Tires with Foam Inserts and Buggy Wheels REQUIRES: Mounting to vehicle SPECS: Outer Diameter: 4.25" (108mm) Width: 1.6" (41.5mm) Hex Size: 17mm