Durability Aluminum Construction: Made from aluminum, these knobs resist wear and rust for long last in professional or home studio setups Perfectly Fit for Potentiometers: Specifically designed to fit 6mm shaft potentiometers with an 8mm hole depth, ensuring secure installation and smooth operate Enhanced Grip & Comfort: Textured antislip surfaces provides superior control while the matte finish comfortable handling during frequent adjustments Premium Aluminum Knobs Set: This set includes 5pcs aluminum knobs ( 32x13mm) designed for volumes potentiometers, featuring durability construction and sleek finish Easy Replacement Solution: Ideal for upgrading worn or damaged potentiometer knobs with quick installation and reliability functionality for music equipment and instruments, Manufacturer: Whoasyst