[Powerful Weight-Bearing Capacity - 440LBS] This strength training pull-up bar is made of high-quality steel tubes with a unique structure to ensure maximum stability and safety. As the tension increases, both ends of the base become more secure and secure against the wall, providing solid support for exercise with a load-bearing capacity of up to 440Ibs.[Multiple Specifications Adjustable Length] The length of this door frame pull-up bar is adjustable and fits most door frames, ranging from 29 inches - 38 inches (74 cm - 96 cm) / 27.6 inches - 36.2 inches (70 cm - 92 cm) . Suitable for installation on various solid surfaces such as cement walls, security doors, and solid wood doors[Anti-Reverse Locking Structure & Easy to Remove] This pull-up bar requires no installation and comes with instructions for easy removal and use. It adopts anti-reversal design locking structure, which is twice as safe as the buckle type. Upgraded with large PVC pads and textured design, further enhancing safety and stability.[No Drilling Design] Without screws or drilling required, this upper body fitness bar protects your door frames and walls from damage. Additionally, it includes a level to ensure the pull-up bar is installed in a level position.[Upper Body Exercise] This home fitness bar is designed for a variety of upper body strengthening exercises, including pull-ups, chin-ups, leg raises and more. It can also be placed in the lower part of a doorway to perform dips, sit-ups and stretches, allowing for a variety of exercise routines.