Tuning Fork, C-512 $19.95 Tuning fork. Made of aluminum alloy and designed to meet medical requirements, the frequency of the tuning fork helps test hearing capabilities as well as with testing for bone fractures. 512 frequency version. Quantity ADD TO CART SKU: PREC512 Add to wishlist You must be logged in to access the wishlist feature. Login or Register Add Tuning Fork, C-512 to your wishlist Priority Lowest Low Medium High Highest Comments × Add To Wishlist Wishlist Updated Tuning Fork, C-512 has been added successfully to your wishlist. ×