Optional one-piece top clamp is machined from billet aluminumBrilliant show-chrome finishFor use with Drag Specialties 1-1/2'' Big Buffalo barsSolid riser top clamp available separatelyRisers are threaded 1/2''-13 and include adapters for metric modelsInclude stylish chrome end caps with mounting hardware for a stylish lookMade in the U.S.A.