Transform your upper body strength training with this versatile Arm Strength Device. Featuring adjustable resistance levels from 22-66 LBS and 66-110 LBS, this power twister allows you to customize your workout intensity as you progress. The ergonomic foam grip handles ensure comfortable, secure training sessions while targeting chest, arm, thighs and shoulder muscles effectively. Built with durability in mind, this detachable power twister includes 4 springs for varied resistance options, making it suitable for both beginners and advanced users. The compact design makes it perfect for home workouts, measuring (Length: 25.625 inch/Width: 6.48 inch/Hight: 1.3 inch) and weighing just 5.23 pounds for easy storage and portability. Whether you're looking to enhance your grip strength, build forearm muscles, or improve overall upper body conditioning, this manual exercise device delivers consistent performance. The included user manual provides guidance for proper form and exercise variations. This versatile piece of fitness equipment helps you maintain a regular strength training routine from the convenience of your home, office, or any preferred workout space for both Men and Women .