set of 4 Guitar nuts, washers & lock washers for US CTS Pots & Switchcraft Jacks, metal (ship from usa) Includes 4 nuts, 4 flat washers, and 4 star lock washers. 3/8" x 32 threads will fit most CTS pots and Switchcraft input jacks(does not fit Switchcraft 3-way toggle switches) Nuts uses 1/2" wrench and has a 5/16" inside diameter(3/8" threaded). Flat washer is 5/8" outside diameter and 3/8" inside. Star washer is 11/16" outside diameter and 3/8" inside. These will not fit metric alpha pots or metric input jacks!, Fast delivery.*** Products may have a high price.*** ***Please compare prices before you buy.***