These capacitors are replicas of the authentic Film-to-Foil Alu/PE design of the 60s Mullard/Philips capacitors, as used in famous british Amps of the 60s till mid 70s. They also work great for guitar and bass tone circuits.
Typically used values in well known designs and brands (but not limited to these):
0,022uF: Gibson Les Paul, SG, Explorer and ES-335 models
0,047uF and 0,100uF: Fender Stratocaster or Telecaster models / Fender basses
