Comfortable and safe: The system Optimized Intake and Exhaust Soul can generate maximum suction even around the edges.^ Get the best results faster: Thanks to; the patented channel structure with active dust removal function, the abrasive can stay dust-free longer.^ Innovation down to the smallest detail: The tape velcro product to; high temperature can significantly extend the life of the sanding pad.^ Active dust removal. Airflow is generated between the air inlet and outlet channels, just like the ventilation of a room. Thanks to; the special arrangement of the channels, the dust is sucked in the entire board up to the edge.^ High suction power and maximum grinding power. Thanks to what to do effective collection of dust, scratches and abrasives can be kept dust-free for a long time.^ Velcro is resistant to high temperatures. Velcro is made in a material resistant to high temperatures, so it is particularly durable.