This is the Caster Block Aluminum: Left 1pc For the Team Durango 1/10 Electric 4WD Off Road Buggies FEATURES: This is an official Team Durango spare/optional part constructed from high quality materials. YOU WILL RECEIVE: One caster block COMMENTS: This is a standard part for DEX410 1/10 Electric 4WD Off Road Buggy DEX410v3 1/10 Electric 4WD Off Road Buggy (TDRC0120) This is an optional part for DEX410vR 1/10 Electric 4WD Off Road Buggy DEX410Rv3 1/10 Electric 4WD Off Road Buggy 5/18/12 pjw ir/jxs &