Please kindly noted that this item is sold by Phetary from Joybuy marketplace.Description This Rotary Knob is made of plastic material, 6mm metal hole, 360 degree turning, a built in screw make it can be adjustable. Decorate your furniture or various appliances, musical instruments. A good accessory to replace your broken knobs. Features - Color: Black. - Material: bakelite, copper. - Size: 1.8 x 1.5 x 1.5 cm. - Replacement part for audio device, 6mm round shaft can be push on it easily. - 360 degree rotary knob for easily control the potentiometer. - Potentiometer rotary knob is useful for connect the rotary potentiometer, usually multiturn linear potentiometer which always use as volume control switch. - Decorate your furniture or various appliances, musical instruments. - A good accessory to replace your broken knobs.