What pullups provide Exercises the back and increases back width while effectively relieving back fatigue. Helps prevent waist, back, and shoulder fatigue and soreness. Can stretch the spine to its maximum stretch, supporting spine health. Adjustable drawbar Telescopic adjustment across 3 sizes: 7095 cm, 92125 cm, and 105145 cm. Choose the appropriate range for your setup to fit most door frames, walls, and corridors. Designed for strength training anytime, anywhere. Stable and safe tie rods Tie rods are built from quality thick steel pipes for strength and durability, rated to bear 400 kg. Ishaped design distributes stress more evenly for stability. Lock design on both sides securely locks the main rod; safe and not easy to loosen. Upgraded large base increases wall contact area to protect door frames and walls; more secure during use. Comfortable lever Ergonomic design with multiple grip distances to target different muscle groups. density thickened foam with a cotton cover provides a sweatabsorbent, comfortable grip. Soft hand protection to ensure comfort during exercise. Use scenarios Home fitness in a small apartment: install in a doorway or wall area to perform backwidth training and daily stretching without taking up a lot of space. Office or breakroom routine: quick back and shoulder stretch during breaks, using adjustable height to fit various door frames. Home gym setup with limited space: versatile pullup system that supports routine strength training and spinefriendly stretching in a compact footprint while maintaining safety and stability.