Merach Hydraulic-Power Twister Arm Trainer

This hydraulic twister arm trainer is designed for strengthening forearms and building muscle.

Product details

• Uses hydraulic cylinders to provide consistent and stable resistance
• Made of high-density carbon steel with a dual structure for durability
• Includes a safety protective housing to prevent mechanical damage and pinching
• Adjustable 2-20 resistance levels suitable for forearm strengthening