New Popular Potentiometer 500k Tone, Luke III (namm 2013-2015) MC680W Potentiometer 500k Tone, Luke III (namm 2013-2015) Potentiometer 500k Tone, Luke III (namm 2013-2015) $8.00 SKU: MC680W Quantity − + Add to Cart In stock Ready to order from our store. Notify me when in stock Email address for a restock alert Notify me We'll email you once, when this is back — that's it. No newsletter, and your address is only used for this alert. Privacy policy. Save to wishlist Ships from California. Free US ground shipping on orders of $100 or more.