ToolKing.com is authorized to sell Festool products only to customers residing the United States and its territoriesToolKing.com promotional discount codes or coupons are NOT valid on Festool products The Festool 489483 is a pack of 5 StickFix Abrasive Hook and Loop Sandpaper Sheet for 6 Sanders. The abrasive sheets are used for sanding bare wood. The StickFix system works on the hook and loop principle. Mushroom-shaped hooks on sanding pads and hard-wearing velvet fabric on the abrasive material form a secure, non-slip bond which can still be easily released.