Tuning Fork - C256 $11.69 Non-rusting, non-tarnishing aluminum alloy tuning forks scientifically designed to meet medical requirements. Single frequency, pure tone will remain constant for many years.256 Hz frequency Quantity ADD TO CART SKU: 103492 Add to wishlist You must be logged in to access the wishlist feature. Login or Register Add Tuning Fork - C256 to your wishlist Priority Lowest Low Medium High Highest Comments × Add To Wishlist Wishlist Updated Tuning Fork - C256 has been added successfully to your wishlist. ×