Mookis LED Line Board, Stripe Reflector Board Paintless Dent Removal Repair Tool with Adjustable Holder This new LED line board PDR light has two strong SUCTION CUP BASE on both ends of the leg. Easy to position in the place needed and can hold steadily. Can be used indoor without the sunlight.Easy to chase down the damage. Could be reused again and again. Stripe Line Board for the surface dents of all kinds of flat metal. This LED reflectoer PDR line board has two diiferent colors on both sieds:one is white black and the other is yellow black. You could choose the one that have the most clear result for detect the dents. The reflection becomes distorted where the dent is and you can then work your PDR tool behind the dent to make the distorted image even or uniform again, once the distorted image or lines become parallel in the reflection you have successfully removed the DENT! Convenient when working outside with a natural light. And you needn't to light the LED Line Board on.