The RAM-B-174-152U consists of a 1" dia. ball rubber coated LED spotlight with brake/clutch reservoir and handlebar/rail mount. The base consists of a 1" diameter rubber ball, hardware for mounting to both brake/clutch reservoirs and rails that are 0.5" to 1.25" in diameter. The mounting hardware for brake/clutch reservoirs include both standard and metric mounting bolts. Multiple pivot points, rubber ball and socket technology allows for almost infinite adjustment and perfect viewing angles.