This dust boot system is specifically designed for CNC machines requiring maximum dust collection and vacuum efficiency. Constructed from a 1/2" clear Plexiglass top plate, the system features a magnetic removable base holding a brush-type screen. The magnetic base can be effortlessly removed, allowing full access for tool installation. Designed to fit the spindle/router and vac. port size selected. The distance from the bottom of the top plate to brush tips is 105mm.