Hook and Loop 150mm Sanding Discs Pack of 20 Premium quality orbital sanding discs. Grits: 40, 60, 80, 120, 180 & 240. Quick fit hook and loop sanding pads. Suitable for all 150mm orbital palm sanders. Size: 150mm pre punched 8 holed. Hole design eliminates clogging and aids dust extraction. Aluminium oxide construction. Suitable for: Woodworking, paintwork, metal, and all types of preparation work. Grit Grades: 40 - 60 Grits: Coarse. 80 - 120 Grits: Medium. 180 - 240 Grits: Fine. Mixed Grit Contents: 20 Assorted Grits: 8 x 60, 4 x 80, 4 x 120 & 4 x 240 Grits. Specification: Size: 150mm Grit: 40, 60, 80, 120, 180 & 240 Material: Abrasive Aluminium Oxide Grain Type: Aluminium Oxide Bond Type: Resin Abrasive Connection: Resin