Proberos Power Twister for Upper Body Training with 22–220lbs Resistance and Carbon Steel Spring | Grip Strengthener for Teens and Adults

Proberos 2 in 1 Power Twister Flex Bar with Grip Strengthener is an upper body training device designed to improve chest, shoulders, and arm strength through a combined flex bar and grip exerciser system. Its adjustable resistance range from 22 to 220 lbs allows users to customize intensity for gradual strength development, making it suitable for both beginners and experienced athletes. The heavy-duty carbon steel spring ensures stability and long-term durability, while the ergonomically designed anti-slip TPR handles provide a secure and comfortable grip during workouts. Ideal for teens and adults, this Proberos trainer supports balanced upper body conditioning and reliable home fitness performance while maintaining the brand’s focus on quality and safety.

• Combines a flex bar and grip strengthener for versatile upper body workouts.
• Features an adjustable resistance range from 22 to 220 lbs for customized training intensity.
• Built with a durable carbon steel spring for consistent performance and safety.
• Equipped with ergonomic anti-slip TPR handles to enhance comfort and control.
• Suitable for teens and adults aiming to strengthen chest, shoulders, and arm muscles.