Train with Mazurenko equipment! Iron Hand 3 days ago at 09:00 Iron Hand is not some miraculous machine. It is an efficient, solid and unsophisticated device that can be used in power and fighting sports and rehabilitation. Not what you were looking for? Search for other text. Typical clamping while using the IRON HAND device. Proper clamping when using IRON HAND device. Clamping with the big finger when using IRON HAND device. An extra spring with 18kg of squeeze force Proper way of mounting and removing springs. Improper way of mounting springs. IRON HAND - SHOP This machine is protected by the patent document (Nr 402899) and is designed for forearm and finger muscles exercises. The big advantage of this device is that the load can be regulated by adding or removing springs. In the standard model, the springs have 50 kg of squeeze force (10 kg x 5 springs). Anyone who has ever practiced sport knows quite well that there’s no gain without proper exercise. Iron Hand is not some