FU-Tone Titanium Lock Nut Blocks – Set of 3 Black Titanium In-Locking Nut Blocks / Floyd Rose / Nationwide Free Shipping FU-Tone Titanium Lock Nut Blocks! The ultimate performance and tone upgrade. Prevents strings from slipping at the nut and adds a rich, resonant sound unique to titanium. Available in a wide range of colors, perfect for customizing your instrument's appearance. Nut clamping blocks: Set of 3. There are various grades of titanium. The most commonly seen has a tensile strength of 40,000 Psi. However, FU-Tone's titanium hardware is made from certified Grade 5 (6AL-4V) titanium alloy. We use high-quality titanium with a tensile strength of over 140,000 Psi, more than three times that of general titanium. *Lock nut body and nut cap mounting screws are not included. ・Color: Black ・Set: 3 ・Nationwide Free Shipping Other parts also available in our shop! Search for "Mutsumori Gakki"!! #MutsumoriGakki #FUTone #FloydRose #LockingNutBlocks #LockNut #TitaniumParts