With the Makita B-39388 sanding discs, you achieve a clean, smooth finish across wood, metal, paint, and plastics. The fine P400 grit is ideal for inter-coat sanding, surface matting, and precise final finishing without leaving deep scratches. Thanks to the hook-and-loop velcro backing, you can swap the 150 mm disc on your random orbital sander in seconds to keep working without interruption. The 15-hole punched pattern extracts dust directly, keeping your workpiece clean and preventing premature clogging. Supplied in a pack of 100 pieces, you have a dependable stock ready for every finishing task.