This is a pair of Duratrax Lineup Short Course C2 Tires and Wheels for the front and rear of the Associated SC10 4x4. **Also fits the front and rear of the 2WD Associated SC10 with Hexes.** FEATURES: C2 (soft) compound is comparable to Pro-Line M3 and AKA soft ratings Square pin pattern ideal for hard packed (dry), blue groove (fast) and indoor clay (damp) track surfaces Color-coded sidewall markings make it easy to identify each tread pattern at a glance One-piece foam inserts INCLUDES: Two each, Lineup C2 Tires, Foam Inserts, and Black Wheels SPECS: Diameter: 4.2" (107mm) Width: 1.6" (42mm) Hex size: 0.47" (12mm)