Duratrax Persuader 1:10 Scale RC 4WD Buggy Rear Tires with Foam Inserts, C4 Clay Compound, Unmounted (Set of 2) FEATURES: Fits the rear of 1/10 scale buggies Round, square and rectangular tread in center with arrow shaped tread on outer edges C4 (clay) compound INCLUDES: Two Persuader 1/10 scale C4 Rear Buggy Tires Two Foam Inserts REQUIRES: 1/10 scale Rear Buggy Wheels Tire Glue DTXR2000, DTXR2002