Lasts up to 3x longer than Bosch J475 coated hand sanding sheet High quality metalwork requires a high quality finish, and for this you need a good, consistent abrasive. The EXPERT N880 is not only good when its fresh out of the packetit stays good over a long lifespan, delivering a consistent finish. The EXPERT N880 Fleece Pad is an example of Bosch Surface Structure: It combines the latest abrasives technology and manufacturing expertise in a single, uniquely durable fleece. The 3 dimensional product made with cross-laying technology saves professionals money with its lasting performance and minimises the frustration of hand sanding sheets that shed grit. Whether you are finishing a precision metal component, cleaning a work piece or blending in a hard to reach surface, the EXPERT N880 is the best choice in the long run. Tested in Bosch labs according to Bosch standard procedures. Features and Benefits:Lasts up to 3x longer than Bosch J475 coated hand sanding sheetStron