Thank you for viewing! This is a flat pot knob, similar to those used by GRETSCH, for Yamaha BB434 T, etc. It can be used for tone knobs, volume knobs, etc. Genuine product. Operation confirmed. Free shipping nationwide. Instant purchase OK. I also have other musical instruments for sale. ↓ You can see only the instruments from here. #rizgtInstruments 【Main instruments handled】 Electric guitar, steel guitar Les Paul, Stratocaster, Telecaster, Flying V, SG Electric bass, wood bass, upright bass JAZZ BASS, PJ precision bass, precision bass Acoustic guitar, acoustic guitar, electric acoustic guitar Classical guitar, classical guitar Ukulele, ukulele bass, soprano ukulele, concert ukulele Gut guitar, electric gut guitar Violin, 1/4, 2/4, 3/4, 4/4, electric violin Silent violin, silent guitar Alto saxophone, tenor saxophone, soprano saxophone Trumpet, trombone, pocket trumpet Cajon, drum set, electronic drum Effectors, multi-effectors Condenser microphone, audio interface