GL-HB-3000B is manual hardness tester,use weights loading,testing accuracy,Cast iron machine bod,20X reading microscope measuring system. Main Accessories ModelGL-HB-3000BBig Flat test anvil1Small Flat test anvil1V-shaped test anvil1Tungsten Carbide Ball Indenter Φ2.5、Φ5、Φ10mm / Φ0.098、Φ0.197、Φ0.39inEach 1Standard Brinell Hardness Block220X Readout Microscope1 Tags Brinell hardness tester manual Brinell hardness tester