Feature: 1. Excellent Acrylic Material: This top hat guitar volume knob is made of excellent quality acrylic material which offers excellent endurance and durability. 2. Easy To Install: This fine spline top hat guitar knob is easy to install , you just need to press the knob to fit tightly and ensure a firm fit. 3. Embedded Modern Style: This guitar knob features an embedded modern style that fits 18 coarse spline (metric) split shaft pots and is compatible with most for Epiphone and import guitars. 4. Good Compatibility: This splines top hat knob has a good compatibility and is very practical for potentiometers with knurled shafts with a diameter of 6mm. 5. Wide Application: This top hat volume style rotary knob has a wide range of applications and can be used for practicing, performing and music recording. Specification: Item Type: Guitar Volume Knob Cap Material: Acrylic Application: Installation of part of the diameter of 6mm knurled shaft of the potentiometer.. Package List: 4 x Guitar Volume Knob Caps