Flexovit 13 perforated orbital sanding sheets 93 x 230mm flexovit 63642526341 these 13 orbital sanding sheets from flexovit have perforated holes with 2 banks of 3 parallel dust extraction holes plus 1 at each end of the sheet the combination of tough and sharp high performance aluminium oxide and a heavy paper backing make these sanding sheets extremely durable and long lasting they are ideal for general purpose sanding and stock removal flexovit 63642526341 13 sanding sheets orbital 9