Solid Wood Material: This bass neck is made of maple wood with maple/rosewood fretboard that offers excellent stability and durability. Bolt-On Design: The precise bolt-on design of this bass neck ensures easy installation and secure attachment to your bass guitar. Various Sizes and Styles: Choose from various sizes and styles to fit your needs, whether you prefer a precision bass or jazz bass guitar. Smooth Finish: The neck is beautifully finished to ensure a smooth, comfortable playing experience. Replacement Neck: This bass neck is a perfect replacement for your damaged or worn-out bass guitar neck, giving it a brand new life.We are the manufacturer, we have make tools for German company for many years, So we can provide more size and tools. If you have other needs please contact me.