This is a pair of Medium-Narrow Hard Inner Foam Inserts from Tamiya. FEATURES: Black rubber construction. Medium-narrow width. 3mm thickness. Usable with Tamiya numbers 53412, 53433 (TAMC3433), 53482 INCLUDES: Two Medium-Narrow Hard Inner Foam Inserts. REQUIRES: Wheels, Tires & CA Glue SPECS: Width: 13/16" Diameter: 2-1/8" sdw 5/9/02 ir/kh