Doorway upper tie rod

Portable gym Can be used as a doorway pull up bar or turned over to perform situps, push-ups, chin-ups,and dips,target multiple upper body & core muscles.Uses leverage to stay in place , no screws required and adjustable design easily fits on any standard doorway 28" to 38".The latest unique safety design Both side of the doorway pull up bar has an anti-skid device on it to prevent you from slipping during exercise. Adjustable Bar Length pull-up bar allows you to customize the length and easily fits most door frame. Installation of the pull-up bar requires no screws or drilling. The chin-up bar can be adjusted to the mounting height at any time,NO Marks Left On Doors Using soft anti-skid PVC material on each side of the pull-up bar