Bumper Plate for Geyer Type exchange Valve rotors (brass)
Designer: Dieter Otto
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Dieter Otto replacement bumper plate for french horn. This product is made in Germany by Meinlschmidt and is designed for the smaller exchange valve of Geyer/Knopf style horns . (not the exchange valve)
Solid yellow brass. Accepts bumper cord material .210" typically without a need for trimming.