Check the listing for details. 20pcs 2inch Flat Flap Disc Roll Lock Sanding Grinding Wheels 40 60 80 120 Grit. Color: Blue, Condition: New. Listed at 11.99 USD. Features 【High Quality】One-sided zirconia flap disc die grinder sanding disc constructed from resin fiber with a fiberglass backing plate to offer extra strength and absorb vibrations without smudges or smears during use; 2 inch grinding disc roll lock disc is semi-open to reduce loading on aluminum surfaces 【Material】2 inch sanding discs die grinder flap wheel are constructed of industrial grade high density premium zirconia and aluminum oxide grain, increased durability than standard flap discs, built for a more robust and economical grinding wheel 【Wide Apllication】Great for grinding, blending, sanding and finishing on a wide range of material,such as rust, paint, ferrous, stainless steel, and non-ferrous metals, wood and plastics.It’s ideal for metal grinding,hardware polishing and automotive,tensile grinding capacity. 【Note】2 inch flap disc air grinder attachments takes is one simple turn and the disc is securely locked onto the mandrel. Use with any air or electric drill, die grinder, and other rotary tools for the utmost sanding control. die grinder flap disc grinding wheel is the most important type of grinding tool 【Size】2 inch overall diameter x 1/4 inch arbor shoulder mandrel (50mm x 6mm) to get into tight spots and fit standard 2-inch angle grinders, Maximum 12,000 to 14,000 RPM speed Specifications Diameter: 2 inch Attachment: Type R Twist Lock Abrasive Material: Imported Zirconia Alumina Backing Material: X-Weight Polyester Cloth Plate Material: High Strength Plastic Bond: Resin Over Resin Max RPM: 12,000-14,000 Machines: Die Grinder, Air Grinding Tools, Small Right Angle Grinder, 1/4" Drill Grit: Select from 40, 60, 80, 120 Quantity: 20 Pack Shipped same-day from Houston via USPS First Class, UPS Priority Mail, or UPS Surepost. The shipping method depends on the quantity and your address.