These are optional body mounts by RPM, Inc. the TRA T-Maxx/E-Maxx Trucks. These mount on the front and rear shock tower and support the body. Nylon constrcution Black in color Extra-long Overall length: 109 mm (4.25") Post-mount diameter: 7 mm (0.28") Two Nylon Body Posts One RPM decal Assembly onto the kit. These will only work on the RPM Shock Towers. For the Blue shock mounts, use RPMC8009. baw 11/12/01 ir/kh &