ITEM NAME:5-Inch Pneumatic Grinder Dust Cover Tool For Concrete Marble Granite Engine B2Y4 5-Inch Pneumatic Grinder Dust Cover Tool For Concrete Marble Granite Engine B2Y4 Dust nozzle: 32/35mm Applicable models: 125/150 Colour:black Material:PC Size:The outer diameter is about 165mm Package Contents: 1*Dust cover.1 Dust cover. Dust nozzle: 32/35mm.