Specification Brand : VTSYIQI BulletPoint1 : Test anvil is the excellent instrument for assessing test hammer. BulletPoint2 : Test anvil is made from the best steel and especial tool steel. Contact area between anvil core and anvil body get excellently polished, and the rigidity of anvil core is HRC58~62 BulletPoint3 : Test anvil must be located on horizontal ground, take test hammer operation on it and check the rebound value, qualified concrete test hammer will get a average rebound value of 80±2 on test anvil, qualified mortar test hammer will get a rebound value of 74±2 BulletPoint4 : The test anvil, as a calibration instrument, after each 5000 or 8000 test, the test surface can be polished and then continue using, but the rigidity of core must be HRC58~62, or abolish it BulletPoint5 : Test anvil usually stored in dry dustproof place, protect its rebound surface from collision Color : White ExternallyAssignedProductIdentifier : 7616870363768 IncludedComponents : MAIN HOST ItemName : VTSYIQI Digital Concrete Test Hammer Calibration Anvil Calibration Test Anvil for HT-225 HT-225B HT-20 HT20B HT-75 HT-550 HT-450 HT-1000 HT225E HT-225Q HT225V HT225W+ HT225W ItemPackageDimensions_Height : 20 centimeters ItemPackageDimensions_Length : 30 centimeters ItemPackageDimensions_Width : 10 centimeters ItemTypeKeyword : hammer-holsters Manufacturer : VTSYIQI20250214142285674587VTSYIQI Material : See description MeasurementAccuracy : 0.1mm ModelName : VTSYIQI20250214142285674587VTSYIQI ModelNumber : VTSYIQI20250214142285674587VTSYIQI NumberOfItems : 1 PartNumber : VTSYIQI20250214142285674587VTSYIQI ProductDescription : Calibration Test Anvil for Concrete Brick Mortar Test Hammer (HT-225 series) JW-225 1) Test anvil is the excellent instrument for assessing test hammer. 2) Test anvil is made from the best steel and especial tool steel. Contact area between anvil core and anvil body get excellently polished, and the rigidity of anvil core is HRC58~62 3) Test anvil must be located on horizontal ground, take test hammer operation on it and check the rebound value, qualified concrete test hammer will get a average rebound value of 80±2 on test anvil, qualified mortar test hammer will get a rebound value of 74±2. 4) The test anvil, as a calibration instrument, after each 5000 or 8000 test, the test surface can be polished and then continue using, but the rigidity of core must be HRC58~62, or abolish it. 5) Test anvil usually stored in dry dustproof place, protect its rebound surface from collision.