Finely ground Grenadilla wood for the repair of wood bodied instruments. 100% wood product for making strong, good looking repairs to cracks, chips and defects. Use with a thin Cyanoacrylate (SuperGlue) adhesive to create a tintable fill to match the areas surrounding the repair. Create seamless repairs to tonehole defects or to conceal the metal pinning that larger cracks may require. Available in two sizes; 3 gram DIY/Trial size 15 gram Professional size Both sizes come in a handy reclosable vial to keep the grenadilla fill clean and contained. A little grenadilla dust goes a long way- The best looking repair doesn't look like any repair at al!