Both sides telescopic tube, fix the bar on the door by the bracket
1). Multiple workout: Sit-up, chin-up
2). No damage to the doorway, No fasteners required
3). Uper Body strengh exerciser for men & women,develop your shoulders, back, arms, and abs, and more
4). Tube Thickness:1.2mm
5). Length: 74-120mm
6). Diameter: 30mm
7). Coating: electroplating
8). Handle Foam: color foam