Ironwood nut blank for nylon string classical guitar or ukulele. For a Ukulele you might can get two nuts out of this blank. Ironwood is the hardest wood in the whole world and contains natural oils. Made by hand at the Magicwood Shops in East Texas. The one in the photo is the one you will receive. Measures: 2 3/8" long {61mm}-1/2" tall {12.5mm} and 5/16" thick {8mm}.Shipping is free to U.S customers.$12.00 over seas. Thanks.