Hoffman or Mohr style tubing clamps
$1.50 – $2.25
Hoffman Clamp The jaws of this clamp swing open, for clamping rubber tubing up to 1/2″ in diameter. Made of nickel plated steel.
Mohr Pinchcock Spring type clamp for rubber or plastic tubing up to 1/2″ diameter. Made of nickel plated steel.