Vacuum Cleaner Compatibility: Featuring a built-in vacuum hose adapter for dust-free cutting, this dust extraction cutting guard is compatible with most vacuum systems. Secure Cutting, Wide Application: This dust collection shroud is designed for cutting concrete, stone, wood, and other masonry materials (not suitable for metal cutting). Enhanced Compatibility: Our angle grinder dust shroud comes with 6 clamping washers with a thickness from 0.06-0.22in / 1.5-5.5mm, significantly increasing compatibility with angle grinders. It fits 39-51mm angle grinder front covers and is easy to install. Adjustable Cutting Depth: This grinder dust shroud features a 0-32mm adjustable cutting depth. Slide the base plate to adjust the cutting depth, and secure it with the knob for precise cutting. Fit 100-125 mm Grinding Wheel: Our cutting dust shroud includes a 125 mm diamond saw blade, a standard size commonly used with angle grinders. It is suitable for cutting concrete, stone, and wood surfaces, and when paired with the dust shroud, it allows for dust-free cutting.