1、Made of good‑quality acrylic material, come with excellent durability and durability 2、Top hat knobs with embossed numbers 0‑10, give your guitar a retro look and make it stand out 3、Volume tone control knob is easy to install, well tested, suitable for as potentiometer hat 4、Processed with unique and exquisite design with pleasant color and brightness, beautiful and practical 5、Excellent replacement of guitar parts to replace damaged, dirty or old volume tone control knobs 4 x Top Hat Knobs Item Type: Top Hat KnobsMaterial: AcrylicProduct Size: Small Diameter: Approx. 17mm / 0.7in, Large Diameter: Approx. 26mm / 1inInstallation Size: Corresponding to the potentiometer installation inner hole diameter approx. 6mm / 0.2in(that is, the corresponding potentiometer installation part diameter is 6mm)