General Description: The dust cover is designed for 100/125/150 mm angle grinders and 115/125 mm saw discs. It captures up to 95% of airborne dust, providing a dust-free cutting experience. Its transparent PC casing ensures optimal visibility while guaranteeing increased durability. Technical Specifications Material: PC + Metal Applicable Size: 4/5 inches Applicable Models: 100/125/150 mm Angle Grinder Cutting Disc Diameter: 115/125 mm Inner Mounting Diameter: 41-54 mm clamping range Dust Tube Diameter: ID 32 mm, OD 35 mm Cutting Depth: Adjustable from 3 to 27 mm Dimensions: 17.8 x 15.8 cm (7.0 x 6.2 inches) Installation Adjust the inner mounting diameter of the cover according to the outer diameter of the head. Loosen one Allen screw on the outside of the body of the machine. Install the cover on the angle grinder head. Tighten the clamp screw. Tighten the Allen head screws on the bracket. Use: This cover is ideal for various applications such as dry-hanging marble cutting, walls,