... of equipment to do pull/chin ups in 3 grip positions (narrow, neutral, and wide) sit ups, crunches, pushups, and tircep dips ... residential doorways 24" to 32" wide with doorway trim or molding up to 3 1/2 inches wide.Features: Total upper body workout ... , chin-ups, dips, crunches, and more three grip positions, narrow, wide, and neutral uses leverage to hold against the doorway so ...