Effortless setup: Install this door frame pull up bar quickly with no screws needed—simply rotate the tube to secure it in your doorway. Adjustable fit: Tailor the width of this doorway pull up bar (75-92cm) to suit your door frame, ensuring a fit for door frames 76-90cm long and over 7cm wide. Secure and stable: Experience reliable support during your workouts; the heavier the load, the more secure this pullup bar becomes, providing you with a fall-proof design. Comfort grip: Complete your pull-ups comfortably with slip-resistant and soft grips that enhance both safety and endurance during your exercise routine. Heavy-duty support: This chin up bar supports up to 200kg due to its combination of a 3.2mm outer steel pipe and a 2.51mm inner steel pipe.