Firm Support, Fast Disc ChangeoutsPart of our Roloc™ attachment system to make grinding disc changeouts faster and easier, our 3M™ Roloc™ Bristle Disc Holder includes a hard rubber pad, a Roloc™ shank, an adaptor and all the hardware needed to get the most out of our durable, quick-change 3M™ Roloc™ Bristle Discs in collision and auto body repair.The hard rubber pad backs up 3M™ Roloc™ Bristle Discs (PNs 18698-18737) for consistent, accurate grinding even during aggressive jobs. The included shank features 1/4-20 interior threads to allow operators to attach the assembly quickly and easily to common grinding tools, such as drills and air tools.Easy Roloc™ Disc Attachment3M™ Roloc™ Bristle Discs have a threaded hole designed to attach to the holder so that operators can conveniently change discs with a simple twist-off, twist-on motion. No tools are needed, and this quick and convenient method provides a secure attachment and saves operators time when switching discs between grades or applications.Roloc™ Bristle Discs - Smoother and FasterThe Roloc™ Bristle Disc is an abrasive-filled product that makes deburring, blending, finishing, polishing, and cleaning surfaces easier than ever before. It has been designed to deliver high-quality finish and performance. The Roloc™ bristle disc offers greater surface conformability and a more aggressive cut vs. traditional wire and bristle products.Greater Possibilities in Grinding Applications3M uses science to develop complete solutions for even the most challenging collision repair jobs. Our Roloc™ Bristle Disc Holder is a quick, efficient way to incorporate - and get the most from - some of the finest abrasive technology into aggressive auto body applications including rust and coating removal, deburring and metal surface cleaning.