Quick-Change Sanding Disc, Abrasive Type Coated, Abrasive Material Zirconia Alumina, Backing Material Cloth, Backing Weight Y, Coating Coverage Closed, Grade Coarse, Grit 60, Overall Diameter 3 in, Quick Change System TR, Series ZA/Y, Maximum Operating Speed 20,000 RPM, Color Green, Package Quantity 25 ARC(R) MAXBAK(TM) Zirc Plus Type R locking fiber disc has a zirconia grain for high performance especially on heat-sensitive and exotic metals, and stainless steel. Y-weight backing. Durable fiber backing is flexible and resilient. This Quick-Lok disc changes quickly with no tooling and is easily mounted to NORTON Speed-Lok(TM) TR, Merit(R) Type 3 PowerLock(R), and 3M(TM) Roloc(TM) TR back-up pads. Plastic Type R fastener.
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