Triangular Alumina Grinding PadIt has strong water resistance and can be used in dry and wet environments. The newly developed adhesive improves the wear resistance and smoothness of the grinding pad triangular, with high polishing efficiency, good workmanship and long service life. Triangular sandpaper sizeTriangular sandpaper 93*93*93mm - 3.6*3.6* 3.6 inch with 6 holes for dust collection - Prevent triangular sandpaper from clogging - Ideal for DELTA sander, triangular sander, optical triangular sand grinding machine. BackingPaper Velcro type triangular sandpaper, easy to stick, durable, practical, a good choice for triangular sandpaper polishing. Mixed 70 Sandpaper Pad93 Sandpaper contains 70 triangular sandpapers per pack, 7 grades from coarse to fine, 10x 60/80/120/180/240/320/400, which can meet almost all your general polishing requirements. [Wide range of applications] Triangular abrasives are suitable for grinding, polishing and removing rust from metals and non-metals - leather - wood - plastic - stone - rubber - glass and other materials.