This is the RPM Blue Axle Carriers for the TRA 1/16 scale E-Revo and 1/16 scale Slash. Blue plastic construction Stronger pivot ball mounting One left and right axle carrier, four molded caps, eight 2x8mm flathead screws, instructions and decals Installation following the included instructions This part replaces the stock TRA part number TRAC7034. ajw 11-03-10 ir/jxs &