【Package Contents】 - Each package contains 60 sheets of triangular sandpaper in 6 different grits from coarse to fine, grit 40#, 60#, 80#, 120#, 180#, 240# 10pcs for each class. Enough to meet your different polishing needs 【Material and Grit】 - The 6-hole triangular sandpaper is attached with aluminum oxide and measures about 90mm; with grit marking on the back, it is easy to use according to your actual needs; the smaller the number, the rougher the polishing effect, the finer the polishing effect 【Triangular Sandpaper Dimensions】 - 90 x 90 x 90 mm, pre-punched with 6 holes for dust extraction, compatible with 90 mm triangle sanders. Professional quality self-adhesive sanding pads, compatible with all commercially available delta sanders for the indicated size 【High Quality】 - Standard size, professional quality self-adhesive sanding pads, aluminum oxide, durable and anti-static 【Wide Application】 - These triangle sandpapers are suitable for a 90 mm triangle sander. The