Strong points and advantages On the safe side - 4 sizes in one set. Suction power is adjustable via bypass adjustment. The rounded corners of the hook-and-loop fastener protect the surface. Ergonomic handle with a grip-friendly surface prevents blisters on hands. Ergonomic sanding pad compatible with Festool's sanding paper sizes. Festool's suction hoses can be used with an integrated adapter. Main areas of use For quick hand sanding of surfaces or curves. Suitable for longer sanding tasks thanks to the suction feature. For coarse, medium, and fine sanding, compatible sanding paper sizes 80 x 133 mm, 115 x 228 mm, 80 x 400 mm. Delivery scope: HSK-A 80x130, adapter for Festool hose, bypass adapter, HSK-A 80x200, HSK-A 80x400, HSK-A 115x226, in cardboard box, All-inclusive warranty http://www.festool.se/service