Check the listing for details. Tone Ninja Genuine Bone Nut Blank, Unbleached 1/8" thick NUT-NU21. Condition: New. Listed at 5.00 USD. Genuine Tone Ninja Unbleached Bone Nut Blank, 1/8" Thick Manufacturers Part Number: TN-NUT-NU21A luthiers favorite - genuine natural bone nut blank from verified sustainable sources. All sizes are available in both bleached and unbleached bone (bleached is whiter, unbleached is stronger). All bone nut blanks are free from defects on all six sides, and may have natural color shade variations, as with any natural material.Other sizes available.DimensionsThickness: 1/8" (3.2 mm) Width: 13/32" (10.3 mm) Length: 2-5/32" (54.8 mm)All dimensions have a dimensional tolerance of -0.0" to +0.004" (thickness) -0.00" to +0.008" (width) and -0.00" to +0.012" (length) SportHiTech are Tone Ninja Dealers. Full warranty and support on all Tone Ninja products. Please note that bone blanks are not returnable once they have been modified.Don't forget to visit our eBay Store: sporthitech