Set of 47 steel pattern blocks Harbin

Set of 47 Harbin Steel Gauge Blocks Condition: New Features: * Set of 47 Grade "1" gauge blocks. * Made of special alloy steel. * HRC 64. * Honed and lapped edges. * With identification number on each block. * The set consists of the following gauge blocks: * 1 unit measuring 1.005 mm. * 19 units between 1.01 and 1.19 mm with 0.01 mm increments. * 8 units between 1.2 mm and 1.9 mm with 0.1 mm increments. * 9 units between 1 mm and 9 mm with 1 mm increments. * 10 units between 10 and 100 mm with 10 mm increments. * Supplied in a wooden box and with a Manufacturer's Inspection Certificate.