Feature: 1. The nut of this product is approx. 42mm, using ABS material. The length of the fret is about 43‑64mm, the material is cupronickel. 2. This product is a 4‑string 21fret bass guitar neck, which has been polished to form a finished product and can be used. 3. The material of this product is Canadian maple, which makes the sound louder and lasts longer. 4. This neck is also very suitable for novices, with marked points on the side, which is convenient for distinguishing different frets. 5. There are three colors to chooes and the product is a musical instrument replacement accessories. Specification: Item Type: Bass Guitar Neck Fret: 21 Material: Canadian maple Rosewood Brown: Matte rosewood fingerboard Maple Color: Matte maple wood fingerboard Bright Yellow: Spray bright yellow paint on the basis of the original color of the maple Size: Total Length: Approx. 860mm / 33.9in Hole Diameter: Approx. 17.8mm / 0.7in Fingerboard Width: Approx. 100mm / 3.9in Nut: Approx. 42mm / 1.7in Width : Approx. 43-64mm / 1.7-2.5in Thickness: Approx. 25mm / 1in Heel Thickness: Approx. 28mm / 1.1in. Package List: 1 x Bass Guitar Neck