No screwsno assembly required, just hang it directly in the door frame, perform a full body workout and fold it up for storage. The portable gym can be used as a pull-up bar for the door or can be flipped over to do push-ups and dips. Suitable for Different Exercises: This fitness bar is perfect for a variety of exercises, including pull-ups, hanging leg raises, and other exercises. Solid steel construction can withstand the heaviest loads up to 150 kg. Please note: the pull-up bar fits a door width of 73-95cm and a door depth of 12-21cm. ComfortableNo more bubbles on your hands. Soft foam gripDurable and non-slip. Ergonomic curved handles offer three grip options for pull-ups with a wide, narrow, and hammer grip. Door frame protection and folding designThe 2 plastic buffers can prevent damage to the door frame. The molding will not leave any marks on your frame. Maximum stability and premium qualityThe sturdy design prevents barbell movement during training. Includes 2 wrist wraps. In this way, strength training is not only much healthier, but also much more effective - whether for beginner sports enthusiasts or professionals. About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.