KAISH 20pcs Zinc Metric M7 Guitar Pots Nuts and Washers for Mini 16mm Metric Pots Metric Size M7 Nuts and Washers for Metric threaded Pots Nut inside diameter: about 6.13mm Washer inside diameter: about 7mm Fits most metric 16mm mini base pots with 6mm diameter shafts Package includes: 20x Nuts and Washers