Adjusts camber. TIG welded DOM steel with Clamping rod end receiver with metallic copper paint. Clamping double adjuster, Reinforced fork, and asymetric bearing side spacers with gold zinc. Maintenance free PTFE lined low torque spherical bearing. Great to pair with our upper arm, as seen in the gallery, when using true rear coilovers (sold separately). Fits E36 323 325 328 M3, E46 323 325 328 330 M3 and Z4