These Metabo HPT 4-1/2” - 5” Cutting Dust Shrouds are a dust control solution for grinders for the regulation on repairable crystalline silica dust (29 CFR 1926.1153). The dust shrouds feature a plunge function and optimized flow channel for particularly low-dust cutting both indoors and outdoors. Compact design and tool-free removable base plate improve visibility for freehand cuts and provide more flexibility when you work close to walls. They can be easily connected to a commercial vacuum for an OSHA table 1 compliant solution.