Effortlessly build chest and arm muscles with adjustable resistance up to 440 lbs. Durable, portable, and designed for a safe, stable workout. Specifications:Color: BlueMaterial: Aluminum AlloyResistance Range: 9.98 - 199.58KG (22 - 440 lbs)Power Mode: UnchargedDesign: Double-layer steel pipe construction with a stable triangle centerSpecial Features: Adjustable resistance knob, foldable with storage buckle, safety micro-rebound systemLoad Capacity: 199.58KG (440 lbs)Features:Adjustable Resistance: Easily turn the knob to set resistance between 22 to 440 pounds for tailored workouts.Durable Construction: Built with a double-layer steel pipe for extra strength and stability during intense exercise.Stable Design: Triangle structure ensures maximum stability and safer exercise movements.Safety Micro-Rebound System: Designed for controlled and safe movements with professional micro-rebound technology, avoiding injury risks.Portable & Easy to Store: Foldable design with rear buckle for secure storage and portability.Product Description: Take your fitness routine to the next level with this Adjustable Arm Exerciser and Chest Expander. Engineered for home workouts, this versatile tool is designed to enhance your upper body strength, focusing on the chest and arms. With a resistance range of 9.98-199.58KG (22-440 lbs), you can easily adjust the intensity by simply turning the knob, making it suitable for both beginners and seasoned athletes. The double-layer steel pipe construction ensures durability, while the stable triangle structure provides maximum balance and safety during exercise. The professional micro-rebound system offers controlled movements, ensuring a safe fitness experience by eliminating jerky rebounds that can lead to injury. Compact and foldable, this arm exerciser comes with a convenient storage buckle, allowing you to carry and store it with ease. Whether you're at home or on the go, this chest expander is your reliable partner for building strength and maintaining your fitness goals.