Features Compatiable For :use with 7" & 9" Grinders (recommended models are GA7011C, GA7040S, GA9040S, XAG23ZU1, XAG22ZU1) Vacuum House Fitting: Standard hose fitting will work with most vacuum systems (OD 1-7/16") Applicable Objects: Suitable for removing resin, rubber, paint and other surface attachments to smooth uneven surfaces on the ground. All glue and other adhesives remaining after removing the carpet. Easy to Use: Sliding Egde Cover to Easily Reach to the Flush Wall Edge Grinding. One Finger Touch Sliding Head to Put on and Put Off, a Surface Grinding Dust Shroud with Ease of Use Metal Fasten Clip: Angle Grinder Dust Shroud with Fastening Metal Clamps, Cup Screws and 4 Positioning Rings to Meet Various Work Requirements Specification: Item Type: Angle Grinder Dust Cover Material: Nylon Outer Diameter: 225mm Height: 32/38mm Pipe Port: Inner Diameter 39mm, Outer Diameter 42mm Clamping Inner Diameter: 48-76mm adjustable Suitable for installing grinding cup with about 23mm center height  Package List: 1 x Dust Cover 1 x Accessory Package1 x Accessory Package List 1 x Dust Cover 1 x Accessory Package 1 x Accessory