Block level is a useful measuring tool that is used for working, inspection, and checking. The indicator method is the test method of this precision block level. It indicates the result in metric/ inch. The stainless steel made measuring tool is available under the brand- RSK Japan. Weighing 1.1kg, this tool has a top vial quality and bubble size for quick setting. With a 150mm straight block level, it delivers an accuracy of 150mm x 0.02 mm.