Flexible abrasive discs with sponge support 3MTM HookitTM consists of a soft sponge that adapts to irregular surfaces and is comfortable during manual use. It can be used with wet or dry and hand or machine in the phases of opacization. Flexible abrasive discs and sheets 3MTM HookitTM with sponge support offer excellent control of dust and water thanks to hundreds of laser perforated holes that ensure a clean and dust-free working environment. These discs are characterized by an excellent abrasion action and make an excellent finish.