This is a Pair of M-Chassis Super Slicks from Tamiya. FEATURES: For use with Tamiya"s 1/10 scale electric M-Chassis cars. Slick racing tires. Specially formulated synthetic rubber formula provides high grip. Can be used on front or rear. INCLUDES: Two M-Chassis Super Slicks. REQUIRES: Wheels Inner Sponge or Tire Inserts CA Glue SPECS: Inner Diameter: 1.4" (36mm) Outer Diameter: 2.1" (53mm) Width: .90" (23mm) sdw 6/18/02 ir/kh