Rotor Stop Material, 5/16 inch diameter x 3 inches
Buna type rubber material for use as a bumper stop on rotary and other rotor type valves. As used by brass repair shops. Cut to size with a sharp razor blade for a perfect fit on your horn. Measures 5/16" inch (7.94mm) diameter by approximately 3 inches (7.6 cm) in length. Enough material to make approximately 12 to 16 bumpers.