- 6.3 mm stereo jack (TRS) tube socket - The long metal threaded socket prevents hum interference - Ideal for mounting in musical instruments and loudspeaker cabinets in frames, panels and chassis up to 32 mm thick - Mounting hole diameter: 12 mm - Surface finish: Nickel - Incl. washer and nut - Made in USA EUR 16.70 - See more - Buy online