Microjig MC-17 Magnetic Dust Cover for Steel Table Saws. Covers the bevel slot when making 90 degree cuts (the majority of most table saw cuts) to improve the dust collection ecosystem by sealing the slot, and thereby generate greater suction concentration. This ingenious and elegant solution is easy to customize to your saw by trimming it with a pair of scissors. Simply cut to size to enjoy a cleaner and safer work shop environment. It helps prevent airborne saw dust from getting out of control and will help you enjoy cleaner ripping and cross-cutting. USA