... daysSpecifications1.Home Gym sit up bar2.Home use Door Fitness equipment3.Heavy-duty steel construction4.Resistance bands ... , crunches and other abdominal exercises.Door gym chin up barYou can do pull ups and chin up, sit ... into a personal gym; installs in seconds ideal for pull-ups, chin-ups, dips, crunches, and more ... 9KGS/11KGSCLQ: 2740PCS/20GP5700PCS/40GP6300PCS/40HQ Door Gym pull up bar, home gyms