Flush mount output jack
Flush mount enclosed 1/4" output jack, used on many solidbody guitars where the jack isn't mounted on a jack plate. At least 7/16" or about 11,5mm of wood thickness is required to mount the jack, the total length is 2" (50,8mm). Mounting hole required is 1/2" (12,7mm), can be wired mono or stereo (for use with active electronics, for example). Chrome finish
Short terminal= positive (signal, tip of male jack), mid-length terminal= ring on stereo jack, signal 2 or battery switching with active electronics, long terminal on the side= ground.