1/4"Phone Jack Jack, plastic with chrome nut

STEREO, shorting, PC MOUNT
6.3mm = 1/4" phone jack, great version with very tight closing contacts
* This jack has switching contact of very good and dependable quality. Poor contact grip is the most likely reason for intermittant problems with input jacks or effect-loop jacks with many products using. A reason why we recommend upgrading the jacks.