Chest Exercise Equipment Arm Trainer YEYUN , Adjustable Resistance Twister Arm Exerciser Workout Equipment Full Upper Body Exercise Equipment: U Spring Bar is an upgraded version of the traditional power twister bar that stimulates more muscle groups. Adjustable Resistance: Chest exerciser for men, enhanced resistance 60-110lbs. Portable Design: Unlike other arm workout bars, our arm trainer foldable design, easy to disassemble for convenient carrying and storage Our arm trainer is durable and rust-resistant Free Delivery By - Strength Training Upper Body Machines / Str Adjust the mounting distance between the spring bar and grip to change the level of resistance, customize the intensity of the workout, and build upper body muscle strength Including chest workout, wrist workout, arm workout, back workout, shoulder workout. Wear-resistant holster wraps the spring to avoid sports injuries, not clip hair and muscles
