Profile: Phase II Machine & Tool is a supplier of machine tool accessories, material testing instrumentation, precision measuring tools, cutting tools and shop supplies. We also maintain a full range of replacement parts for our products. We provide gage calibration and certification services. We specialize in hardness testers with an offering of bench top rockwell hardness testers, superficial rockwell hardness testers, digital rockwell hardness testers, rockwell & superficial twin testers, and Brinell hardness testers. Our skid type surface roughness testers are common instruments used on the shop floor. A diamond stylus is traversed across the specimen, and a piezoelectric pickup records all vertical movement. Peaks and valleys are recorded, and converted into a known value of a given parameter.