3M™ Flap Disc 566A provides a versatile one-disc system for metal fabrication applications where more durability is needed for medium-weight grinding, small weld removal, finishing, and surface preparation. Run on a right angle grinder, this disc is a one-step alternative to bonded wheels and fiber discs. The 3M™ Flap Disc 566A T27 features overlapping Y-weight coated abrasive cloth flaps that provide several layers of abrasives, making the disc very durable. This product is ideal for metal fabrication applications including aggressive stock removal on a variety of welds and coatings.