Robert Baraban Adjustable Hand Gripper Black 50/500lbs resistance

Robert Baraban Adjustable Hand Gripper. This is a must have for serious grip athletes. Over 50 adjustments that range from easier than a RB70 to harder than a RB400! Two springs of differing tension allow you to choose resistance levels from 50 to 500lbs. Solid steel and built to last. The perfect trainer to reach your hand gripper goals! NOTE: This is a heavy duty industrial gripper that is new, but may have minor scratching. I guarantee this is a unused gripper straight from Austria Complete RGC calibration for RBA gripper + CoC comparison levels Weak Spring 1-1 = 11.4 kg 1-2 = 13.2 kg 2-2 = 14.6 kg ( ~ CoC Guide ) 2-3 = 16.2 kg 3-3 = 17.9 kg ( ~ CoC Sport ) 3-4 = 19.8 kg 4-4 = 21.9 kg 4-5 = 23.3 kg 5-5 = 25.7 kg 5-6 = 27.2 kg ( ~ CoC Trainer ) 6-6 = 30.5 kg 6-7 = 32.8 kg 7-7 = 35.4 kg 7-8 = 37.9 kg ( ~ CoC 1 ) 8-8 = 40.3 kg 8-9 = 42.2 kg ( ~ CoC 1.5 ) 9-9 = 45.6 kg 9-10= 47.0 kg 10-10 = 50.8 kg ( ~ CoC 2 ) Hard Spring 1-1 = 28.1 kg ( ~ CoC Trainer ) 1-2 = 31.4 kg 2-2 = 34.8 kg 2-