Features： 1、ANTI BACKWARD TILT: Effectively prevents patients from tilting backward when using the wheelchair independently to go uphill, providing safety protection for patients. 2、ALUMINUM ALLOY: The main rod is made of reinforced aluminum alloy with a wall thickness of 3mm, which can be practical for a long time. 3、LOAD BEARING WHEEL: Our load bearing wheel is made of engineering material, and the surface is treated with meticulous bam, with good wear resistance. 4、HEIGHT ADJUSTABLE: You can adjust the height of the wheelchair flexibly, which providing you with a choice of 5 gears of adjustment. 5、FOOT PEDAL DESIGN: The use of non slip foot pedal design, just a light step can easily cross a variety of obstacles, effective protection of safety. Specification： Item Type: Wheelchairs Tippers Material: Engineering plastic, aluminum alloy Use: To prevent wheelchair backward Package List： 1 x Wheelchairs Tippers