Description: Durable: The locking nut is manufactured with better quality brass and bone, which is strong, sturdy and durable. Easy to install: We can easily install the locking nut with the screws and wrench included in the package, which is convenient. Portable: Because of the small size and light weight of the parts, it is easy for us to take them anywhere. Compatibility: The guitar component is specially made and manufactured for 7 strings instrument, so please make sure the item will meet your needs in the first place. Stylish: Guitar supplies are made to be unique and stylish, so it can give your instrument a fine, fresh new look. Specification:Material: Brass, bone. Color: Black. Size: Approx. 50.6*14*7.5mm/1.99x0.55x0.20inch. Nut Size: Approx. 50.6x4.5x 8mm/1.99x0.18x0.31inch. Note: There may be several color distortions due to different computer resolutions. There may be a slight error due to different manual measurements. Package Included: 1 Piece Headless Guitar (With 1 Piece Nut, 3 Piece Screws, 1 Piece Wrench).