(4 PACK REAN NYS229 1/4" Female TS / Mono Panel Mount Jack. This Jack is Non-Switched w/ Solder Tabs Commercial grade open frame 1/4" mono phone jack - MONO 2-pole / 2 contacts. Includes washer and nut. Designed for a panel thickness up to 3.5 mm. 0.205" Connection uses faston / solder tabs and is Non-switched.