K-7 20mmx16mm Potentiometer Knob Rotary Switch Black Cap for 7mm shaft

K-7 20mmx16mm Potentiometer Knob Rotary Switch Black Cap for 7mm shaft :

This is a Potentiometer Knob Rotary Switch Cap with a 7mm inner diameter. It easily fits with potentiometer, Rotary switches used in various electronic devices. The knob makes it very easy to rotate and vary the switch rotation.

•  Easy and smooth rotation.
• Fast and accurate adjustment.
• Shock-proof protection.