Round rods and tubes can be securely fixed. Handy to transport, a helper that must always be with you. The mobile workbench in Systainer format. The Systainer lid is an MDF perforated plate that provides an ideal work surface on which the workpieces can be flexibly clamped with clamps or placed on a non-slip base. The matching accessories, e.g. clamps and clamping elements, can be stored in the Systainer.