Description: Easy to mount, fits most 7 inch/ 180mm angle grinders, captures up to 99% of airborne dust. Effectly extracts dust and provides clean, safer air for user and keep the grinder clean. Removable front edge of shroud for grinding close to a wall or edge. Soft brushes prevent dust from escaping and help move the tool over the surface. Made of black nylon, more durable and good visibility. Size Chart: Diameter: 22.5cm/8.86 inch Inner hole diameter: 4.8cm/1.89inch Height: 8cm/3.15inch Casing 1 Hole diameter: 3cm/1.18inch Height: 6cm /2.36 inch suitable for installing diamond bowl grinding with a center height of 23mm or so Package Includes: 3 Pieces Angle Grinder Dust Shrouds : Due to the difference between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement, there may be 1-2mm error in size.