Features: Captures up to 95% of airborne dust, angle grinder cutting without dust. Adjustable cutting depth up to 1.06 inches. Transparent PC shell for improved visibility and durability. Fits 100/125/150mm angle grinders and 115/125mm saw blades. Suitable for dry hanging marble, wall, floor, concrete dust-proof cutting, kitchen table, fiberglass resin board cutting. Specification: Material: PC + Metal Applicable Size: 4/5 inch Applicable Models: 100/125/150mm angle grinder Cutting Disc Diameter: 115/125mm Installation Inner Diameter: Clamping 41-54mm Dust Tube Diameter: ID 32mm, OD 35mm Cutting Depth: 3-27mm adjustable Dimension: 17.8x15.8 / 7.0x6.2in Installation Instructions: 1. Adjust the installation inner diameter of the cover according to the outer diameter of the head 2. Loosen a hex socket screw outside the machine body 3. Install the cover on the head of the angle grinder 4. Tighten the pipe clamp screw 5. Tighten the hex socket screws on the bracket Package List: 1 x Dust CoverNote:This product does not have an adapter and needs to be purchased by the customer; however, it is equipped with a converter.