The 3M 16" Screen Disc 100 Grit is a durable, open-mesh sanding screen designed for floor sanding applications, especially on hardwood and concrete surfaces. Made with silicon carbide abrasive bonded to a strong, uniform mesh fabric, it resists clogging (loading), runs cooler, and can be used wet or dry. Its open construction allows debris to pass through, extending the life of the screen. These discs are commonly used with 16-inch floor buffers or rotary sanders for tasks like: Removing raised wood grain, Scuff-sanding between finish coats, Preparing floors for recoating, Refinishing gymnasiums, racquetball courts, and residential hardwood floors