One pair to fit one horn; as clamps are either left or right handed, please state which side of bar horn is to be fitted. Available in Anodised aluminium (AHBA) or Polished stainless steel (AHBS) Supplied with all fixings. Only certain bars are suitable to take airhorns - please check before ordering. Bars taking airhorns need to be drilled to take airpipe (the drilling is concealed by the clamp). Price quoted is for 1 pair.