Festool 488716 DX 93 StickFix Sanding Pad, Hard, Hard pad for consistent sanding results over your entire surface, especially on flat surfaces and narrow edges Triangular sanding pad features equal-angle corners for full use of all three abrasive corners, and convex edges for sanding against edges StickFix hook and loop design for quick and efficient abrasive changes; enables re-use of partially used abrasives Integrated dust extraction - Pads are designed to efficiently channel dust through the rear port, resulting in cleaner air and longer pad and abrasive Center snap fastener enables quick rotation of pad, allowing you to get the most out of your pads and abrasives.