Transform your upper body with this versatile, portable strength trainer. The Multi-functional Arm Trainer uses a high-tension steel spring system to deliver effective resistance for sculpting your chest, arms, shoulders, back, and core. Featuring adjustable resistance up to 88 lbs, a comfortable non-slip grip, and a safe, durable design, it’s your all-in-one solution for building muscle, improving definition, and enhancing strength anytime, anywhere. | Topteng | | Multi-functional Arm Trainer | 88 lbs Adjustable Resistance, Chest & Arm Workout Bar with Anti-Slip Grip for Home Gym | Blue | Best Buy