For light sanding and finishing. Lock-on button, quick clip sheet change. Sanding sheet sizes: 1/3 sheet punched 90 x 230mm. Base plate size 90 x 187mm. No load speed 10,000rpm. Dust extraction port connects to a vacuum cleaner or workshop dust extraction system. For light sanding and finishing. Lock-on button, quick clip sheet change. Sanding sheet sizes: 1/3 sheet punched 90 x 230mm. Base plate size 90 x 187mm. No load speed 10,000rpm. Dust extraction port connects to a vacuum cleaner or workshop dust extraction system.