Description: 3 Pole 3 Position design, plastic metal material, easily turned.Comes with mounting nut and black plastic knob, no worry about knob size mismatchingWidely used on radio, TV, industrial machine control unit, or other electronic devices. Specification: Product Name : Band Selector Rotary SwitchModel : KCZ 3*3+K7-1Material : Metal, PlasticContact Type : 3Pole 3Position, 1Deck;Pin Number : 12Rotating Shaft Dia : 6mm / 0.24inch ; Shaft Length : 11.7mm/ 0.46inchFit Mounting Hole Diameter: 9.7mm / 0.38inchDimensions (not including the cap) : 44x42mm/1.73x1.65inch(Max.H*D) Package Content :1 x Rotary Switch .