Add to Cart Quick view Collins SM-3 Switch Kit with Original Face Plate, PTT Switch, Bezel Nut, and PTT Switch Button Nipple Collins MSRP: Now: $34.99 Was: This Collins SM-3 Switch Kit with Original Face Plate, PTT Switch, Bezel Nut, & PTT Switch Button Nipple, is everything you need to refurbish an SM-3 Microphone that has had the switch changed or the switch face plate replaced or damaged. The... MSRP: Now: $34.99 Was: Add to Cart Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $34.99 Was: Subtotal: Add to Cart