Pro-Grade Chin-up Bar for P90X and Asylum: Sturdy Heavy-Gauge Steel Frame & 12 Grip Positions Sturdy chin-up bar with heavy-gauge steel frame Patented design offers 12 grip positions for diverse workouts Strengthens and develops shoulders, arms, back, abs, and more Professional-grade, foam-covered handles are easy on the hands Supports up to 300 pounds; fits doorways up to 32 inches wide