Perfect for crunches, dips, pull-ups, push-ups, chin-ups, and more There are three grip positions: neutral, wide, and narrow. holds against the doorway with leverage to prevent damage to the door and the need for screws. Installs quickly. Brand name Model Tube Upper Body Strength Trainer Measurements: 5.5 cm x 100 * 40 * 35 cm x Maximum Weight: 110 kg x Style Multi-Grab Extra