MERACH Twister Arm Trainer, 22-440lb Hydraulic Resistance

The MERACH Twister Arm Trainer delivers adjustable hydraulic resistance (22-440 lbs) for targeted arm and shoulder muscle development. Engineered with a durable double-layer carbon steel frame and a fully sealed hydraulic cylinder, this fitness equipment ensures consistent resistance throughout your workout while protecting against impact and mechanical wear. The upgraded design includes a protective housing around the cylinder and strength gauge to prevent oil leaks and pinch injuries.

Featuring 20 adjustable resistance levels and a triangular structure with reinforced rivets, this arm trainer offers stability and safety for home or professional use. The ergonomic PU handle provides a comfortable, non-slip grip, and the compact foldable design makes storage and portability effortless. Ideal for all fitness levels—from beginners to advanced athletes—this hydraulic resistance trainer enhances arm, chest, and shoulder strength with precision and convenience.