JW225 test anvil is used to calibrate 225/75/20test hammer, hardness of steel core: 60±2(HRC), Size: H230*D145mm, NW=18kgs
JW1000 test anvil is used to calibrate big test hammer, such as HT1000, hardness of steel core: 61±2(HRC); Size: H400*D200mm, NW=38kgs
Steel anvil