Features: brand new and high quality Adjustable Resistance: Rotating the knob to easily adjust the resistance, range 0-176 lbs free adjustment. Just rotating the knob, resistance can be adjusted. Durable Material: High quality carbon steel shelf is firm and durable. The material is strong and more realistic. The training machine has 176 lbs bearing capacity. for Triangle Structure: We use a sturdy tripod construction, stable for triangle center design makes the exercise more stable, which is a safer and more scientific structure. Safe Fitness: Professional micro-rebound and refuse to take profiteering rebound. Completely solve the safety hazard for safe fitness with no hurt and safe micro-rebound. Easy to Storage: The buckle of the handle's bottom is easy to store and convenient to carry. The user-friendly designed rear buckle can be fixed after folding. Specifications: Material: Iron, Spring Color: As The Picture Shows Package Weight: approx.1850g Size: approx.61x40cm/24.0x15.7in Note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 1Pc x Twister Arm Exerciser