For general grinding work from coarse to fine grinding in industry and professional trades. Hook and loop-backed abrasive discs are suitable for fine grinding large surfaces with eccentric orbital sanders and for general use on metal, wood, plastic and paint. The hook and loop-backed abrasive discs with extraction holes are designed in shape A in accordance with ISO 21951: 6 extraction holes, dia. 10 mm, reference circle 80 mm, ISO 21951 – nominal size 10