3M 7100106737 Back-up Pad is a black colored product designed for metalworking industries. It supports various applications like deburring, finishing, grinding, polishing, and surface preparation. Compatible with disc sanders and right angle grinders, it has a quick change attachment style and a maximum speed of 12000 mps. The medium density rating and regular type makes it ideal for builders hardware, medical instruments, metal fabrication, metal implants, plating & polishing, plumbing fixtures, and turbine engines. The thread size is 1/4-20 INT and the inside diameter is 0.0 NP.