Rockwell / Brinell Superficial Hardness Testers are suitable for testing hardness of metals and alloys of all kinds, hard or soft, whether flat or round etc. Or of irregular shape. The Rockwell Hardness Testers are easy to operate and comes in mechanically operated, motorized or electronic versions. These Hardness Testers can be availed in different models such as Rockwell, Rockwell Superficial and Rockwell cum Brinell under RHT series to suit specific requirements. Universal Motion Inc. Is the manufacturer of Rockwell / Brinell Superficial Hardness Testers.