General description AlwaysH 72 Pieces Delta Sanding Triangles are designed for efficient sanding and polishing. These self-adhesive sanding triangles feature 6 holes for dust extraction and are compatible with all standard delta sanders and multi-purpose sanders. The set includes a variety of grits, making it suitable for a wide range of materials. Technical specifications Size: 93 x 93 x 93 mm Abrasive material: Aluminum oxide Grits included: 40, 60, 80, 120, 180, 240 Backing type: Velcro Pre-punched with 6 holes for dust extraction Compatibility and accessories Compatible with 90mm triangular sanders Includes 72 pieces: 12 x 40 grit, 12 x 60 grit, 12 x 80 grit, 12 x 120 grit, 12 x 180 grit, 12 x 240 grit Usage Ideal for sanding and polishing wood, paint, varnish, plastic, plaster, metal, rubber, leather, stone, and glass surfaces Suitable for both coarse and fine sanding tasks