Milwaukee 49-90-2400 M18 Multi-tool Dust Extraction Kit. The 49-90-2400 M18 multi-tool is great for any busy woodworker or Do-it-yourselfer. Whether if you work on projects on the side, or you're a busy contractor, this is the perfect clean up tool for you. The Milwaukee brand is well respected across the industry. The kit includes five 120 Grit Sanding Sheets, five 60 Grit Sanding Sheets, five 80 Grit Sanding Sheets, one Dust Extractor and one Sanding Pad.