ITEM NAME:Electronic Machine 3P4T 3Pole 4 Position 2 Deck 15 Pin Rotary Switch B5I7 Electronic Machine 3P4T 3Pole 4 Position 2 Deck 15 Pin Rotary Switch B5I7 3 Pole 4 Position design, ceramic structure, easily turned. Comes with mounting nut and black plastic knob, no worry about knob size mismatching. Widely used on radio, TV, industrial machine control unit, or other digital devices. Product Name : Rotary Switch Material : Metal, Ceramics, Plastic Rotating Shaft Dia : 6mm / 0.24" Dimensions(knob not included) : 25 x 12mm / 1" x 0.47"(Max.D*H) Fit Mounting Hole Diameter : 9mm / 0.35" Pin Number : 15 Contact Type : 3 Pole 4 Position (3P4T), 2 Deck Net Weight : 13g Package Content : 1 x Rotary Switch Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is +/-1-3 cm..3 Pole 4 Position design, ceramic structure, easily turned. Pin Number : 15.