Twister Arm Trainer – Adjustable 45–55 kg Chest & Arm ExerciserTwister Arm Trainer Adjustable 4555 kg Chest & Arm Exerciser Build strength and sculpt your upper body with the Twister Arm Trainer, a versatile and portable chest and arm exerciser designed for mens home fitness. Engineered with high strength steel springs and an ergonomic U shaped design, this trainer effectively targets multiple muscle groups including the chest, arms, shoulders, forearms, wrists, back, and even legs for a balanced full body