describe Dent Removal Tool: 5.7 cm diameter, for medium sized dents on cars. The Suction Cup Dent Repair Tool Kit allows you to remove dents and small dents in certain areas of your vehicle. (Please make sure the bump is on a flat surface and should be larger than the diameter of the bottom suction cup). HIGH QUALITY: This suction cup holder is an excellent dent puller. The suction cup puller is made of high-quality ABS material and high-strength durable natural rubber. Soft rubber pads are gentle on surfaces and won't scratch paint. UNIQUE DESIGN AND MULTI-PURPOSE: The suction cup is ergonomically designed to provide the convenience of single-stroke pump operation. One-hand buckle, precise structure, strong and durable tension, not easy to deform. Not only can it be used as a dent puller, but it can also be used to remove the screen or watch videos as a mobile phone stand. Can be used on glass, mirror or any other smooth surface. EASY TO USE: Suction cups are the ideal tool for moving flat objects in any garage or professional body shop. Simply place the suction cup on a smooth surface and pull the handle up to easily move glass, tiles, objects and car bumps. NOTE: Should be used on a clean, smooth, flat, non-porous, dry surface. Always try to make sure you have good suction before lifting. Suction cups and small suction cups work together to repair car dents.