Check the listing for details. 4Pcs Acrylic Bass Guitar Knobs Volume Tone Control Knobs Gold White Numbers. Color: Gold, Condition: New. Listed at 3.51 USD. Enhance the functionality of your guitar with these 4 high-quality acrylic knobs designed to control volume and tone. These knobs come in a sleek gold color with white numbers, making them a perfect fit for any type of guitar including acoustic, electric, bass, and classical. They are easy to install and made with precision in China. Suitable for all types of guitars, these knobs have a unit quantity of 4 and are a perfect choice for musicians looking to upgrade their instrument. Knob Color:GoldNumber Color:WhiteSize:As the picture showMaterial:AcrylicPackage Include:4 x knobsNote:Due to the influence of shooting lighting/computer phone monitor, there is some color difference between the image and the actual product.There may be a dimension measurement error of ± 0.5mm. Knobs only fit metric 18 coarse splines split shaft pots with 5.8mm diameter.If there are 10 splines on each side, your pots will need 24 fine spines knobs.If there are 8 splines on each side, your pots will need 18 coarse splines knobs.