Feature: 1. High Efficiency Work: The dust cover of this 7 inch angle grinder can reduce the burden of cleaning and improve the efficiency of polishing. The dust generated on the working surface is introduced into the dust suction port in one go. 2. Safety: Specifically designed for the 180mm angle grinder, it fits perfectly, preventing debris and particles from entering the machine and prolonging its lifespan. 3. Dust Free Polishing: Using this dust cover for polishing can reduce dust in the air, enhance work efficiency, and create a dust free polishing experience. 4. Compatibility: The angle grinder dust shroud suitable for different surfaces, paint, marble, concrete, tiles, walls.The grinder dust shroud helps the user to stay away from harmful dust, and reduce the damage to the body. 5. Easy To Install: The dust cover collector does not need to be installed with the help of tools, you can used by self installation, small in size, light weight, and can be carried and operated without waste of labor. Specification: Item Type: Angle Grinder Dust Shroud Material: ABS Weight: Approx. 1110.00g / 39.15oz Outer Diameter: 245mm / 9.6in Dust Extraction Port: 44mm / 1.7in, Inner 39mm / 1.5in Clamping Inner Diameter: 76mm / 3.0in, 68mm / 2.7in, 66mm / 2.6in, 60mm / 2.4in, 54mm / 2.1in Suitable for: Diameter 180mm / 7.1in Grinding Wheel Suitable for: Grinding Stone, Floor, Concrete Package List: 1 x Angle Grinder Dust Shroud 1 x Wrench1 x Washer4 x Clamp Ring1 x Connector1 x Instruction Manual