Good quality: The handle and the suction cup housing are made of aluminum alloy. The handle and the suction cup are firmly welded, not easy to break, sturdy and durable, and have a long service life. soft rubber aregentle on uneven surfaces and won't scratch paint. How it works: The suction cups allow you to lift from the center of the sheet of glass by creating a vacuum between the suction cup and the lid, and they can be used in pairs for additional control and weight distribution. MULTIPLE APPLICATIONS: The car dent puller can also be used on sheet metal objects such as glass and tiles with a smooth surface, making it ideal for homes, shops, garages or workplaces. Easy to use: simply place the suction cup on the lid of the object, press the suction cup vertically and lift the object with the handle. Reminder: It must be used on a clean, smooth, flat, non-porous and dry cover. If the car is covered, this dent puller will not be used