Potentiometer Control Knob Abs Guitar Knob Aluminum Plastic Knob Black 5PCS

What is this?Potentiometer knob is an important accessory for connecting potentiometers,fit for 6mm D type Shaft and can be used for electric guitar, bass, audio,amplifiers,volume control, etc.What will I get?Potentiometer Control Knob ,is in size of:Height:17mm(0.66 inch)Outer diameter:15mm(0.59 inch)Inner diameter:6mm(0.23 inch)Color:BlackMaterial:Aluminium Alloy + ABSButton rotation degree:180 degreesIn the package of: 5 x Potentiometer Control Knob(Aluminum outside plastic inside knob Type Knob)Is there any advantages of the product?It is made of aluminium alloy and ABS material,which has high reliability and durability. Button beautiful appearance, small size, easy installation, suitable for a variety of different electronic equipment and occasions. How to use it?Steps of using:1. Confirm the potentiometer model; 2. Insert the potentiometer knob cap into the top of the potentiometer knob and rotate gently in accordance with the direction to confirm whether the knob is firm; 3. By rotating potentiometer knob cap, realize the adjustment of sound effect. What should I notice?Notes:In the use of potentiometer knob need to pay attention to choose the appropriate model and size, confirm the direction and position, gentle and smooth operation, prevent water and dirt.