This product is a set of eight brass neck shims in varying thicknesses of 0.2mm, 0.5mm, and 1mm. Designed specifically for guitar necks, these shims are used to achieve a perfect fit and improve sound quality. The sleek gold colour adds a touch of elegance to the guitar's appearance. Ideal for guitar enthusiasts looking to customise and enhance their instrument's performance, these shims are a practical and stylish accessory for any musician.