For calibrating accuracy of height gauge, CMM, and inspecting linear accuracy of machine tool.

The flatness and dimensional accuracy of all measuring gauges are guaranted to be ≦0.2μm, and the parallelism is ≦2μm between the reference base and the measuring surface of each gauge.

Made of heat treated hardened tool steel, hardness: HRC58-62

Including wooden case, quality warranty, and JCC calibration report comply with ISO 9001 measuring traceability & ISO/IEC 17025 accreditation.

Inspection reading: 0.1um

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