Economically priced so suitable for most workshops complete with large and small flat anvils, v notch anvil, diamond cone penetrator, 1/16" steel ball penetrator and 5 Rockwell test blocks. . . Range : 20-88 HRA, 20-100 HRB, 20-70 HRC. . Preload : 10, 10, 10. . Test : 60**, 100*, 150**. . Max Work piece height x throat depth : 170 x 135 mm. . Uses : Where metal hardness exceeds HRC70, soft/mid hard metals & unquenched parts, For most heat treated steel. . . * Uses ball penetrator. ** Uses diamond penetrator