TUNING FORK SET OF 8 – GUPTA BRAND 8006086 Posted on March 4, 2017May 1, 2017 by admin Best quality nickel-plated, plain shanks, with frequency marked, C (256), D (288), E (320), F (341), G (384), A (426), B (480), C (512). Complete set of EIGHT tuning forks, supplied in velvet case.