Check the listing for details. 4Pcs Black Metal Guitar Control Knob Volume Tone Control Dome Knobs Guitar Bass. Color: Black, Condition: New. Listed at 10.49 USD. 4Pcs Black Metal Guitar Control Knob Volume Tone Control Dome Knobs Guitar Bass Specification: 100% Brand New, Never Used Shape:Cylinder with a dome Material: Metal Diameter: 3/4' Hollow shaft Diameter: 3/16' Color: Black Package Include:4x Metal guitar knob Features Brand New and Never Used Shape:Cylinder with a dome Color: Black Hollow shaft Diameter: 3/16 Material: Metal Shipping We strive to ship all orders the same day or next business day. Once an order is shipped, we will email you a tracking number. We ship to all USA states except Puerto Rico, Hawaii, Alaska, APO/FPO/DPO and international destinations. Please make sure you enter the correct shipping address at the checkout. We will not make any changes to the shipping address once you place the order. Returns For any exchange or refund, we need the original receipt or a record of the purchase in our system, and the product must be in its original condition, including the box, UPC bar code, packaging, and all accessories. Please contact us before returning an item to get a RMA number. Any return without a RMA number will not be accepted or processed. All returns should be accompanied with a tracking or delivery confirmation number back to our warehouse. Please allow up to 10 business days for returns to be processed.