This is a set of optional Square Block Tires with Foam Inserts for the Duratrax Vendetta. FEATURES: Great for most off-road track conditions INCLUDES: Two tires - replaces key number 65 Two foam tire inserts - replaces key number 64 SPECS: Inner Diameter: 1.5" (38mm) Outer Diameter: 2.2" (56mm) Width: 0.79" (20mm) REQUIRES: Installing on wheel and securing with tire glue, DTXR2000, DTXR2002 kpm01/24/2006 ir/jxs