These are the Lockup Tires for 1/8 scale buggies from Duratrax FEATURES: Black rubber construction Knobby tread Two foam inserts Fits 1/8 scale front or rear wheel INCLUDES: Two rubber tread tires with inserts REQUIRES: Wheels Tire glue, DTXR2000 SPECS: Width: 1.60" (41mm) Inner Diameter: 3.20" (81mm) Outer Diameter: 4.60" (117mm) jml 11.12.10 ir/jxs BOX DIMENSIONS: 4.50" W. X 1.75" H. X 8.88" L. BOX WEIGHT: .42 LBS.