Norgrip Professional support plate 150 mm / 15 holes Application: For coarse, intermediate and final grinding. For use on primer, primer, varnish, clear lacquer, wood, gypsum, composites & metal. Hardness: Medium Colour: Norton blue Punching: 15 Mounting: 5/16 "and M8 Advantages: - New support technology, in a sophisticated design, for long service life -With standard perforation, suitable for many applications with optimal dust extraction -Easy fastening, for longer life of the hook-and-loop fastener -Accessories for various tools, thus suitable for all common eccentric sanders -Color-coded foam layer, for easy and fast identification of the hardness Scope of delivery: Safety recommendations, product information, assembly instructions, versatile fastening system (FESTO M8 and standard 5 / 16'') including wrench Packing: Displaybox