Tuning Forks ~ set of 4
These nonmagnetic tuning forks require no plating and will not rust or corrode. The scale letter and frequency is stamped on the fork. Accurately tuned within ±.5% at 20° C. Lightweight, the forks weigh 1/3 that of steel forks. Class A-3, tuned to Physical Scientific (C-256). Includes the following frequencies and scale letters: 256, C'; 320, E'; 384, G'; and 512, C'