This is a pair of replacement Universals for the Tower Hobbies Tower Terror FEATURES: Steel construction, black in color Replaces worn or damaged front universals INCLUDES: Two Front Universal Dogbones Two Front Universal Axles Two 5x5mm Set Screws (2.5mm hex size) REQUIRES: Assembly and installation SPECS: Length: 5" (127mm) as assembled Axle Diameter: .24" (6mm) COMMENTS: For the rear axle and dogbone order TOWC6070 and TOWC7301 kpm01/23/2007 ir/jxs