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

1/4"Phone Jack, plastic with chrome nut, mono, shorting 4 solder lugs, shorting, with chrome nut and washers, insulated from chassis (used from Marshall) , replaces exactly the orig. CLIFF jacks 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.