Measuring range 100~350HBW (with .29″ DIA indenter, included), 350~650HBW (with .16″ DIA indenter, optional)
Test force 1580kgs
Accuracy ?5%HBW
Repeatability ?5%HBW
Measure Brinell hardness of large and heavy workpieces
1580kg test force and .29″ DIA ball indenter, equal to 3000kgs test force and .39″ DIA ball indenter

Dynabrade 59018 3-1/2" Dia. Self-Generated Vacuum Dynorbital-Spirit Random Orbital Sander, 3/16" Orbit
3M 92210, Scotch Shipping Packaging Tape 3950S-6, 1.88 in x 38.2 yd (48 mm x 35 m), 7100242420
Standard Abrasives 715219, A/O Straight Cartridge Roll, 1/2 in x 2 in x 3/16 in 100, 7100103136 