Mirka Brand - Gold 23-615-100 - 5" 8 Hole Vacuum Grip Discs (Velcro/Hook & Loop) Abrasive Sanding Discs 100 Grit - Brand New Box of 50 Discs Mirka Grip Discs = Velcro/Hook & Loop BackingPremium paper for finishing as well as heavy stock removal. Durable aluminum oxide grain delivers a fast, exceptionally long lasting cut.High strength resin bonded system. Maximized resistance to clogging and loading up. C & D-weight backings are 50% stronger than other premium brands using A-weight backings. Made with an anti-load stearate to provide increased durability and longer life.Automotive, Boat Building, Industrial, Woodworking & more. Toll Free: 1 (888)-651-SANDWe have been in business locally for over 25 years. We operate a 20,000 sq. foot facility in Sturgis, Michigan about halfway between Chicago and Detroit. Our warehouse is full of top quality, brand-name tools, abrasives, work gloves, and personal protective equipment for all industries. Woodworking, Metalworking, Auto Body, Marine/Boat, Recreational Vehicle Manufacturing and more. We are one of the largest Mirka distributors in the United States. We also distribute other fine brands like VSM, Hermes, SAIT, Dynabrade Tools, Memphis Gloves, Liberty Gloves, Pyramex Safety Glasses, 3M Respirators and more.We"re confident that AB"s Gloves and Abrasives will become your source for all your shop needs. To request a copy of our line card please call 888-651-SAND (7263) and we"ll take care of you.