RPM R/C Products brand Optional Mini Bumper for the Associated B4, T4 adn HPI Firestorm vehicles. FEATURES: Constructed of molded blue plastic with pre-drilled mounting holes. High-impact design absorbs bumps without breaking. YOU WILL RECEIVE: One Optional Mini Bumper for the Associated T4 and B4 models REQUIRES: Attaching to chassis with four 8-32 x 1/2 flat head screws, can use ASCC8103. COMMENTS: Also available in blue - RPMC8233 kpm01/23/2004 ir/jxs updt lmm 11.24.10