"Beatle" Bass set is made up of special lengths and gauges. Each handmade string is calibrated to fit the three different bridge types made by Höfner. Fits Hofner "Beatle" basses and similar models that require 34" distance from ball-end to silk. Please do not substitute this set for a medium scale set. Packaged using MAP Technology (Modified Atmosphere Packaging) to prevent tarnishing and ensure freshness.