Taiss/ 4pcs Black Aluminum Rotary Electronic Control Potentiometer Knob for 6 mm Diameter Shaft , Volume Control Knob , Audio knob, Guitar Knob，Switch Knob, 17mm Dia. x 17mm Height Color:Black Center Pinch Lens Cap Design

Center Pinch Lens Cap Design Makes for Easy Removal - Fits all 58mm lenses

eliminating excessive overtones and controlling sustain

Conversion efficiency : 70-90%

and give you a peace of mind and deep relaxation

Double Conga Mounting Brackets

Taiss/ 4pcs Black Aluminum Rotary Electronic Control Potentiometer Knob for 6 mm Diameter Shaft , Volume Control Knob , Audio knob, Guitar Knob，Switch Knob, 17mm Dia. x 17mm Height Color:Black Center Pinch Lens Cap DesignTaiss 4pcs Black Aluminum Rotary Electronic Control Potentiometer Knob for 6 mm Diameter Shaft , Volume Control Knob , Audio knob, Guitar KnobSwitch Knob, 17mm Dia. x 17mm Height Color: Black Aluminum knobs are for sound equipments or rotary potentiometer, for protection and easy control. Pu interior is useful to avoid damage and for long time service. great decoration accessory for equipments. hese great looking knobs are high quality and precision