Features Installs in seconds without hardware! Chin Ups Push Ups Sit Ups Just place the top bar above your trim on the inside of your doorway and begin pull-ups. Do push-ups simply by placing bar on floor, or do sit-ups by placing bar on floor inside doorway. A cantilever design uses your own body weight to keep it in place. It also has two protruding close-grip handles that let you work out with your palms facing each other, a good position for isolating the muscles in the center of your back that control posture. Fits doorways 27.5" to 30" wide, supports up to 300lbs. Pull-up Bar is secured by downward force, an upward force may cause bar to dislodge. Doorway trim should be secure and at least 2" wide. Dimensions Assembled Weight: 4lb / 1.81kg Assembled Dimensions: Length Width Height 37.00in / 939.80mm 16.00in / 406.40mm 7.00in/177.80mm Package Dimensions: Length Width Height 38.58in / 979.93mm 8.27in / 210.06mm 1.77in / 44.96mm Volume Gross Weight 0.33 ft3 / 0.01 m3 5.15lb / 2.34kg