This is a pair of Prime 2.2" Rear M4 Super Soft 1/10 scale Buggy Tires from Pro-Line. FEATURES: Designed for racers that use slick tires on carpet or pure clay style dirt Unique grooves add traction and stability on freshly watered tracks, or where there is a layer of thin dust that would cause a slick tire to spin Raised treaded area has rough surface texture similar to a ground slick tire M4 super soft compound is ideal for outdoor usage at temperatures of 70 or below INCLUDES: Two Prime 2.2 Rear MC Clay Buggy Tires with Closed Cell Foam Inserts REQUIRES: 2.2" Rear Buggy Wheels Tire Glue DTXR2000, DTXR2002 SPECS: Diameter: 3.25" (83mm) Width: 1.63" (42mm) Firmness Rating: M4 Super Soft