RadioShack Blue Insert Control Knob

Catalog #: 2740403
bulk sale up to 20% off



  • This round control knob is 1/2" in diameter with a 6.4mm shaft hole.
  • Color-matched to our popular #270-220-series enclosures.
  • Use to replace lost or damaged knobs or for your own creation.
  • Sold in packages of 2.
Parts Warranty: 90 Days