A system for a computer-controlled measurement of workpieces has at least one measuring machine and a device for entering dimensions of workpieces to be produced as parameters into a database. The binder clip includes a clamping means, opposed gripping means attached to the clamping means, and a label holder that is attached to, or that is integral with, the clamping means. The detaining portion of the fixing member is connected with an end portion of the clip body. The flexible joint may be a rubber tube or a metal tube of a predetermined thickness. The cargo box-has a sheathing covered frame with a door at the rear end thereof. The friction bushing is adjusted to apply frictional resistance to movement of the shaft sufficient to support the weight of the support device and the electronic device, thereby allowing the device to be adjusted to a desired vertical position.