LANDTEK HT-6510S-B Sand surface Hardness Gauge

LANDTEK HT-6510S-B sand mold surface Hardness Gauge, shrinkage stroke 2.50mm, load 980g, pressurized load 50g, pressure head shape and size ball R12.70, Measurement unit HB, suitable for manual or mechanical low and medium pressure molding of fine, coarse sand type/core surface hardness testing.