Description Mono Switchcraft™ J11 Input Jack •Accepts standard 1/4″ plugs. •Requires 3/8″-diameter mounting hole; •3/8 x 32 threaded portion is 1/4″ long. •Mounting nut , lock washer and flat washer included. •Industry standard in quality and design. Essential component in all electric guitar builds. Product link: https://www.switchcraft.com/1-4-mono-2-conductor-jack-w-nut-and-washer-open-circuit/11/
