Durable Material: Made of sturdy steel and zinc with non-marking structure, it will not damage the bottom of the door when lifted. 360°Rotation: It rises in parallel and rotates 360 degrees, which is suitable for positioning and fixing on the door, panel or plasterboard, reducing the labor intensity of wooden door installation masters and improving the efficiency of wooden door installation. Hands-free Operation: The easy-to-use foot-operated door lifter supports the door for easy deployment and operation. Lifting height: 6mm - 60mm. Maximum load: 100kg load capacity to support the door, making it easy for one person to operate and does not require extra hands.