Features: 1.Made of quality plastic and metal, sturdy, durable. 2.Push - in or push - out switch mode. Suitable for coil tapping, phase switching, etc. 3.Long shaft design, great for wooden guitar. 4.Excellent performance, perfect for replacing and upgrading volume and tone controls. 5.Simple operation, press it to switch. and press it again, could switch to back. Specifications: Material: Plastic+ metal Color: As picture shown Length: Approx. 28mm/1.1in Thread diameter: Approx. 20mm/0.8in Control tank: 500 k Packing List: 1*Switching Knob