Specification Brand : csauing BulletPoint1 : The dial scale is clear and the scale is more intuitive and convenient. BulletPoint2 : The type O is suitable for the micro-porous materials foaming agent in the plastic. BulletPoint3 : A measure of sulfu r rubber and plastic products of hardness of the instrument. BulletPoint4 : Type D is suitable for general hard rubber, resin, acrylic, glass, thermo-plastic rubber, printing plate, fiber BulletPoint5 : Easy to use, accurate measurement, easy to carry, and stable. Color : O Type ExternallyAssignedProductIdentifier : 7619240502040 ItemName : D-Type Impact Device Portable Hardness Tester Sensor Connection Wire- ItemTypeKeyword : hardness-testing-apparatus Manufacturer : csauing ModelNumber : hardness tester sensor connection wire PartNumber : hardness tester sensor connection wire ProductDescription : D-type impact device portable hardness tester sensor connection wire- Warranty: 180 days