Tender For supply of analog composite type constant load shore -a circular hardness tester for hard rubber, ebonite, plastics, graphite and bakelite's, as per latest germans standard.1) reading: 1 to 100 shore a.2) least count: 1 shore a.. as per astm d 2240 with nabl calibration certificate. make: model: shr-a yuzuki tm. make: contech or similar