Specifications 1.Tool steel 1.2379 precision milled ground flat 2.Certificate: API Q1 & ISO 9001 ... 1000mmMax milling lenght: 2500mmAvailable Tolerance: (-0,+0.1)mmApplications: used for manufacture of dies, press tools, punches, gauges, cams, jigs, ... measuring instruments rounded-edge rails, scales, other precision parts, etc.Packing: wooden case. High Precision Ground Plate and Flat Tool Steel H13/O1 ...