This dust boot system is constructed from a 1/2” 3D top plate with a magnetic removable base that holds a transparent, flexible screen. This screen allows for clear visibility of the cutting or engraving tool's operations. The magnetic base is easily removable, enabling full access to the tool installation. The design is tailored to fit the router size selected and accomates a 2-1/2” ID vacuum hose. For 4-inch vacuum port see item # B0CJMYRQCL Custom sizes available upon request, send message for a price quote. ****NOTE: This design will only work on CNC's equipped with routers. For CNC's with a spindles and extended collets, see Customizable Dust Boot listing or send message.