Rockwell Superficial Hardness Tester with automatic zero setting dial gauge, manual load selection. The major load are N scale besides all fifteen Rockwell Superficial scales. Can be used with this tester. This model is double purpose Hardness Tester suitable for Both Rockwell & Rockwell Superficial hardness test. The Major load of 15,30, 45,60, 100 and 150 kg are applied.