These harp levers, made in Pakistan, offer you the ability to rapidly change keys or add accidentals on the diatonic harp. The material of levers is Brass, and they can not get rusted. The tightness of the lever can be adjusted according to the requirements of the user. There are three sizes of levers in the set of 37 levers installed on the harp consist of 37 strings. Ideal for all custom made folk harps including Arpas Villegas of Xalapa, Veracruz.