3M 7000120890 is a black back-up pad designed for grinding applications with disc sanders or right angle grinders. It has a firm density rating and a hook and loop attachment type. The pad has a maximum speed of 10000 mps and a thread size of 5/8"-11. It is suitable for various industries including marine, metalworking, and metal fabrication. The back-up pad is also used in sub industries such as builders hardware, medical instruments, metal implants, and plumbing fixtures. It is commonly used for plating & polishing and in turbine engines. The overall thickness of the pad is 0.12 in (3.04 mm) and it has a center hole diameter of 0.375 in (9.525 mm). The hook type is 7.