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 Jiayouy Alto Sax Mouthpiece Ligature

Jiayouy Alto Sax Mouthpiece Ligature Double Screws Ligature Brass

Conversion efficiency : 70-90%

and give you a peace of mind and deep relaxation

eliminating excessive overtones and controlling sustain

Style Meets Comfort: Take a load off your shoulder with this padded garment leather strap

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 Jiayouy Alto Sax Mouthpiece LigatureTaiss 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