Specification Brand : NURII BulletPoint1 : *Hardness block refers to the physical gauge used to check the value of various hardness testers. BulletPoint2 : *The hardness standard block is made of high quality material, which can ensure the reliability and stability of the hardness value. BulletPoint3 : *It can check whether the error of hardness tester when working is within the range specified in international standards. BulletPoint4 : *Made of high quality material, it has a long service life and can save the maintenance cost of test equipment. BulletPoint5 : *The hardness test block is made following international standards, which ensures the comparability and accuracy of the test results. Color : One Color ExternallyAssignedProductIdentifier : 7647709505301 ItemName : NURII Standard Hardness Block, 750-830HLD 590-670HLD 490-570HLD, D-Type Hardness Tester Block, Hardness Tester CalibrationBlock(750-830 HLD) ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : hardness-testing-blocks Manufacturer : NURII ModelNumber : NURII NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : NURII ProductDescription : Type D 90*55mm 2.75kg/piece Standard Hardness Block :Hardness Block Hardness Block : calibration Block 490-830HLD : 490-570HLD 590-670HLD : D-type Hardness Tester Block Hardness Block : Hardness Test Block ProductSiteLaunchDate : 2024-07-26T07:22:34.531Z Size : 750-830 HLD UnitCount : 1