4-fold rocker set (1+3) writable System 55 matte black (painted). Notes: Writable rocker sets and rocker sets with labeling fields can be customized with individual labeling. Orders are processed through the wholesale dealer specified during the ordering process of the rockers. Writable rocker sets and rocker sets without labeling fields are made of metal. This may lead to range losses in radio applications. This product can only be ordered through the Gira labeling service. Professional labeling via the Gira labeling service.