#4 Size Bells - Most Traditional Sounding with the Deepest Tone -  with four bells.   Overall Length: 12.5 inches.  Solid brass bells attached to heavy-duty leather, attached with a 2 1/2” ring to easily fit over any standard-sized door knob. Choose from the leather colors:  Black, Dark Brown, Light Brown, Burgundy, or red Choose Brass or Plated Bells.