1Multifunctional: This guitar control knob is multifunctional and replaces damaged, soiled, or old volume control knobs, and is primarily used to adjust the sound output of for ST, for SQ electric guitars. 2Excellent Plastic Material: This guitar speed control knob is made of excellent plastic material, which is sturdy and abrasion resistant, not easy to be damaged, and has a long service life. 3Good Workmanship: This volume tone control knob is well made, flat in appearance, stamped with accurate and uniform numbers for easy adjustment, and is practical for any metric or imperial knurled knob. 4Easy To Install: This electric guitar knob is easy to install, press the knob and the switch tip closely fit to ensure a firm fixing, without the need for complicated operating and tools, it is very simple. 5Good Compatibility: This potentiometer knob is a good fit for the 24 fine spline US (imperial), for CTS style split shaft potentiometers used on most American guitars, for CTS potentiometers, and more. 2 x T Knobs 1 x V Knob 1 x Handle Cap 1 x Straight Gear Knob