[ADJUSTABLE RESISTANCE]: Experience a wide range of resistance from 10-200KG with stepless adjustment, for beginners, men, women, novices, and veterans. Simply rotate the knob to customize your workout intensity.[STRONG AND STURDY MATERIAL]: Crafted from spring steel, this hydraulic fitness equipment is durable and to deformation. The fully sealed hydraulic cylinder provides stable and adjustable resistance, ensuring long-lasting strength building.[STABLE TRIANGLE STRUCTURE]: The stable triangle center design enhances safety and stability during exercise, catering to both beginners and experienced users. Enjoy a secure workout experience every time.[SAFE FITNESS]: Target multiple muscle groups including wrists, arms, shoulders, chest, and back concurrently. Strengthen your grip, enhance upper body muscle strength, and experience a safer workout with this versatile chest expander.[PORTABLE AND EFFECTIVE]: Conveniently portable for on-the-go use, this chest workout equipment features a wearproof and non-slip bottom handle for a comfortable and secure grip. Achieve stronger and firmer arms with just minutes of daily use.Spec:Item Type: Home Chest ExpanderMaterial: Spring SteelPackage List：1 x Home Chest Expander2 x Fixed Accessories1 x Instruction ManualNote：1. Do not aim the handle in the opposite direction directly at a person.2. Do not exert full force during exercise, you must leave enough strength to control the rebound force of the arm exerciser.3. Keep a distance of 2 meters away from the crowd when using the arm exerciser.4. Do not stretch the arm exerciser outward, as it may cause damage to the device. [ADJUSTABLE RESISTANCE]: Experience a wide range of resistance from 10-200KG with stepless adjustment, for beginners, men, women, novices, and veterans. Simply rotate the knob to customize your workout intensity. [STRONG AND STURDY MATERIAL]: Crafted from spring steel, this hydraulic fitness equipment is durable and to deformation. The fully sealed hydraulic cylinder provides stable and adjustable resistance, ensuring long-lasting strength building. [STABLE TRIANGLE STRUCTURE]: The stable triangle center design enhances safety and stability during exercise, catering to both beginners and experienced users. Enjoy a secure workout experience every time. [SAFE FITNESS]: Target multiple muscle groups including wrists, arms, shoulders, chest, and back concurrently. Strengthen your grip, enhance upper body muscle strength, and experience a safer workout with this versatile chest expander. [PORTABLE AND EFFECTIVE]: Conveniently portable for on-the-go use, this chest workout equipment features a wearproof and non-slip bottom handle for a comfortable and secure grip. Achieve stronger and firmer arms with just minutes of daily use. Color #911 Brand Name EVTSCAN Manufacturer EVTSCAN Material Type spring steel Included Components no Warranty Description manufacturer warranty for 90 day