Replacement Hex nuts (4) for Marshall amplifier and speaker cabinet jacks. Used on JCM800, JCM900 other models and brands of amplifiers, pro audio gear and effects pedals and for input jacks, output jacks, FX loops and speaker enclosures.
- Inner diameter: .04 in.
- Outer Diameter: .7 in.
- Thickness: .19 in.
- U.S. Thread Major Diameter: .04375 in:
- US Thread Pitch: 20 (threads per inch)