MULTI-GRIT SANDPAPER:Orbital Sander Pads assortment from rough to fine, 17 different grades including 40#/60#/80#/100#/120#/150#/180#/ 240#/320#/400#/600#/800#/1000#/1200#/1500#/ 2000#/3000# grit. Satisfying your general polishing requirements. The smaller the number, the rough the grit. Strong Sticky: Our sanding disc WILL NOT FALL OFF !!!S SATC Sanding disc uses only the toughest Velcro backing pads to ensure its performance and protect your safety. Durable And Last Longerour Sanding Pads Are Made From High Quality Aluminum Oxide Abrasive, Advanced Sandpaper Production Standards, Which Is Durable And Anti-Clogging.he Aluminum Oxide Grain Delivers A Fast Cut And A Smooth Finish On Your Project. .Strong Adhesionthickened Hook And Loop Sandpaper Back To Stick Well To The Random Orbital Sander, Double The Adhesion Of Ordinary Sanding Dics Sandpaper. Premium Back With 8 Holesback Of Napping Makes Grit Removal And Replacement Quick And Lengthens The Life Of Each Disc, 8 Holes Is Designed For Efficient Dust Extraction. . Wide Application;sanding Disc Works With Grinding And Finishing On Metal And Non-Metal, Wood, Rubber, Leather, Plastic, Stone, Glass And Other Materials. Widely Compatible And Suit For Mostly Orbital Sanders With 8 Holes And 5Inch In Diamater. UNIVERSAL COMPATIBILITY: Our sanding discs 125mm fit fit most of the 5-inch orbital sanders on the market such as DEWALT, Bosch, BLACK DECKER, Makita, PORTER-CABLE, etc.