This superfine sander with linear sanding motion (versus rotary or orbital) operates at 8,000 strokes per minute with a .1" (2.5mm) stroke. It is ideal for surfaces, slots and tight corners. Included are four sanding attachments with straight shanks and 4 with angled shanks (four different shapes per shank style) as well as 3 sheets of pre-profiled self-adhesive sanding pads. The sheets are 180, 240 and 400 grit with four of each shape per sheet. #PRO28594 Price.....$42.99 SPECIAL SANDER COMBO INCLUDES AC Adapter NG2/S #NCPRO1 Price.....$62.99 Additional Sandpaper for the PS 12 Three sheets, each with 20 pads (5 each of the four shapes, Self-adhesive) Price.....$5.30 #28 822.....180grit #28 824.....240grit #28 826.....400grit (NOTE: An AC adapter of at least 12-18V DC and 1.0A is required. We recommend PROXXON power supplies NG 2/S or NG 5/E. The electronic speed control on these units allows the selection of different speeds for different applications and materials. Proxxon Index