Mirka Brand - Autonet - AE24105018 6" Mesh Grip Discs (Velcro/Hook & Loop) Abrasive Sanding Discs 320 Grit - Brand New Box of 50 Discs 6" Autonet is manufactured in the following grits: 80, 120, 150, 180, 240, 320, 400, 500, 600, & 800. Mirka Grip Discs = Velcro/Hook & Loop Backing. Autonet is specially developed to satisfy the unique demands of the automotive refinishing indsutry. The patented construction consists of a dense network of polyamide fabric threads onto which the abrasive grit is bonded. This new-age surface finishing solution offers speed, excellent efficiency and an amazing dust extraction ability. The jobs get done quicker and with a better surface quality. Excellent initial aggressivity, Reduces edge wear in finer grits, Eliminates clogging and pilling, Long life-span, Phenomenal dust extraction across the entire abrasive surface. Virtually dust-free sanding, Cleaner and healthier working environment. A versatile range to suite any application. We have a large selection of orbital sanders and backup pads that would go perfectly with this particular abrasive. We'll combine shipping to save you money.