Upgrade design: Thickness can be adjusted according to the wall. Please measure the installation distance to purchase: our pull on the upper lever of this door is suitable for doors less than 33.47 inches.Safety design: the door pull rod adopts high-quality steel pole and to maximize the stability. An ergonomic angle handle has been added, which can withstand up to 500 pounds.Safety design: carbon refined steel pipe wall thickness, durable, wall thickness, 5 layers of thickened pipe, not easy to fall off deformation, spring washer with opening, special technology, nut clamping accurate, stable and reliable.Comfortable grip: 5 non slip grip positions for comfortable wide and narrow grip exercises. Long curved bar, high quality elastic and breathable foam, comfortable handle, anti slip, sweat absorption and tear resistance.Easy to assemble: easy to install, no drilling design, no trouble. It is an ideal choice for renting apartment, family fitness, hotel and gym. Stick the stick on the door frame for muscle burning training, or simply put it on the floor to maximize the training effect through push ups and sit ups.