【440 LB Heavy-Duty & Anti-Slip Safety】：Engineered with 3mm thickened steel pipes and 4.7" extra-wide anti-slip pads, this pull-up bar supports up to 440 lbs safely. The reinforced PVC mats grip door frames tightly, eliminating wobbling or scratches—ideal for intense upper body workouts like pull-ups, chin-ups, and leg raises.【Adjustable Width & 360° Secure Lock】：Fits door frames from 27.2" to 36.2" with 360° dual-gear locking mechanism. Simply twist the bar to adjust the length, then lock it in place—no screws or drilling required. The anti-reverse rotation design ensures stability even during dynamic exercises.【Bubble Level for Perfect Installation】：Equipped with built-in spirit levels on both ends, this bar guarantees a balanced setup every time. Follow the arrow markers and video guide to install in seconds.【Versatile Home & Travel Gym】：Transform any doorway into a fitness station! Lower the bar for dips, push-ups, or core workouts, or raise it for pull-ups and hanging leg lifts. The sweat-resistant foam handles and portable design make it perfect for home gyms, apartments, or on-the-go training.【Damage-Free & Professional Testing】：Features a scratch-proof design with ultra-thick PVC padding to protect your door frame. Rigorously tested to withstand instant force, this bar meets professional durability standards while keeping your walls mark-free.