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 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 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. Item Type: Angle Grinder Dust Shroud Weight: . 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 Color: As Shown Material: Metal+Plastic Package Contents: 1 * angle grinder dust cover kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.