400 Grit 6" Green Film Sanding Discs, 49-Hole Pattern, Box of 50 - Heavy-Duty Dustless Hook & Loop Backing Sandpaper for DA & Random Orbital Sanders, Sand Auto Paint, Wood FurnitureBox of 50 Dura Gold Premium 6" 400 Grit 49 Hole Pattern Green Film Sanding Discs with a Hook & Loop Backing. These heavy duty high performance 400 grit very fine cut film backed dust free sanding discs have a hook & loop backing that securely attaches to dual action and random orbital sanders with a 49 hole hook & loop backing plate. The discs are compatible with Festool 150 series sanders; ETS 150 3 EQ, ETS 150 5 EQ, ETS EC 150 3 EQ, ETS EC 150 5 EQ