This is a pair of HPI"s "V"- groove #4450 radial truck tires in a high traction PRO compound. FEATURES: V-Groove radial on-road soft, hight grip compound Fits any standard 2.2" truck rim front or rear. YOU WILL RECEIVE: Two PRO compound tires. Two white foam inner tire liners. Mounting insrtuctions SPECIFICATIONS: 3 7/16" outside diameter x 2" wide. Inner diameter is 2.2" REQUIREMENTS: Tires need to be glued to rims. Use GPMR6001 COMMENTS: HPI"s PRO compound is for low traction surfaces. For high traction tracks use a harder tire such as HPIC44510. WLG 2-24-98 ir/le &