Description:Made of Ebony, much ABS plastic, could help to bring clearer,richer and more stable sound for ukulele repair or makingMaterial: Ebony WoodNeck Nut(up-saddle): 35 x 5 x 7/6

8 mmBridge Saddle(sub-saddle): 53 x 3 x7 mmPackage Includes:1 Set Ukulele Nut and Saddle