The Metabo Steel Dustless Shroud for Tuckpointing (630845000) is designed to provide a dust-free environment while working with masonry, fiberglass, and plastic. It is compatible with Metabo 4, 4.5, 5, and 6-inch grinders and works best when paired with a vacuum cleaner to ensure efficient dust extraction. This shroud allows for clean and precise cutting while maintaining normal grinder operation, making it an essential tool for professionals handling tuckpointing and surface preparation.