【Alumina Delta Sanding Sheets】Strong water resistance and can be used in wet and dry environments, The newly developed adhesive improves the abrasion resistance and smoothness of delta sander pads and has high polishing efficiency, Good finish and long service life. 【Triangle Sandpaper Size】Triangle sandpaper 90 X 90 X 90 mm - 3.6 X 3.6 X 3.6 inches, with 6 holes for dust extraction - Prevents clogging triangl poncag - Ideal for DELTA sanders, For triangle sander, triangular sander abrasive. 【Backing】Triangular sanding sheet Hook and loop sanding sheets, easy and quick to stick, sturdy, durable and practical, sanding triangle good choice for sanding and polishing. 【70 Pcs Sandpaper Pads Mix】Delta 93 Abrasive Each pack contains 70 pcs triangular sanding pads, 7 grades from coarse to fine, 10x 60/80/120/180/240/320/400 grits, almost satisfy all your general polishing requirements. 【Wide Application】Triangular Abrasive Suitable for grinding-polishing and derusting of metal and