The EZ Up Inversion Rack is a dual bar inversion rack which mounts in your doorway. This wonderful exercise device also doubles as a chin up bar and literally requires no floor space. This product is ideal for the physically fit athlete who is looking for a way to decompress after a workout. The EZ Up Rack is used with the Hang Ups Gravity Boots to invert at a full 90176 angle. While inverted, you can conduct inverted sit ups, squats, and rotational stretches. Two features of the Hang Ups EZ Up Rack that makes it unique are locking brackets and dual bars for easy mounting and easy dismounting. Other features include Fits into door openings of 28' to 32.7' Five year limited warranty Foam grips for added comfort Preassure pads to protect door frame Scratch resistant black powder coated finish Shipment includes assembly instructions and 14 minute instructional video Note Gravity Boots are sold separately. To view the Gravity Boots please click here .