Total-body strength: This unique twister engages arms, chest, shoulders, abs, back and even legs to maximize every workout Premium build: Tough alloy-steel spring core is wrapped in soft PU leather for safety, with thick anti-slip foam handles for a comfortable, secure grip Custom resistance: Choose from multiple spring tensions (e.g. 60–110 lbs) to match your fitness level and progressively challenge your muscles Pack-and-go convenience: Quick-detach design lets you disassemble and store it in a drawer or bag, so you can train anywhere – at home, in the office, or on the go Quick, guided workouts: Built-in exercise tips help you target key muscles so even 10 minutes, 4×/week can sculpt and tone your arms, chest and more The Twister Arm Trainer is your all-in-one solution for efficient full-body strength training. Designed to engage not just your arms, but also your chest, shoulders, back, core, and even legs, this compact tool helps you build a balanced, sculpted physique. Made with a high-strength alloy steel spring and wrapped in soft, durable leather, it ensures both safety and durability. The thick, anti-slip foam handles offer a secure and comfortable grip, even during intense sessions. With multiple adjustable resistance levels ranging from 66 to 132 lbs, this trainer is perfect for all fitness levels—from beginners to advanced athletes. Its detachable design makes it easy to store or carry, allowing you to train at home, in the office, or while traveling. Plus, the included training guide helps you master proper technique in just minutes a day. Just 10 minutes, 4 times a week is all it takes to start seeing results.