ITEM NAME:12pcs 240Grit Sanding Flap Wheel Sand Paper Rotary Die Grinder Drill Bit.Type: 240 Grit. be equipped with the drill, hanging mill, wind mill, grinders and other. Mandrel Shank Length: 30mm. Mandrel Screw Tip Length: 10mm. - To reduce losses and reduce costs. I send goods within 12 hours.