All 3M Products Innovation About 3M United States [ Change ] 3MTM RolocTM Bristle Disc Kit 983BS, 3 in, 5 per case Convenient introductory pack contains a variety of grades of RolocTM Bristle Discs 3 inch diameter x 5/8 inch trim with a disc pad holder for superior cleaning and coating removal applications. Overview Specifications Attachment Type RolocTM Converted Form Backup Pads, Disc Diameter 3 Inch Diameter (Metric) 76.2 mm Form Type Bristle Industries Marine Max RPM 15000 Product Form Kit Trim 0.62 Inch (c) 3M 2014. All Rights Reserved.