Teeter Hang Ups Inversion Bar Safe and effective inversion bar for enjoying a full-body stretch or performing exercises Installs in a 28- to 36-inch solid wood doorframe without interfering with doorway Ideal for full-range inverted sit-ups, crunches, and squats, or right-side-up chin-ups Locking brackets keep bar securely in place; foam handgrips for added comfort Works with Teeter Hang Ups gravity boots (sold separately); 250-pound capacity; 5-year warranty