Features:With release buckle fit for quick adjustment of cutting depth360° swivel joint to allow you to reposition the vacuum cleaner hose as needed, and it's 35mm O.D, compatible with most of the vacuum cleaner hosesWide application: suitable fit for marble, wall, floor, concrete and fiberglass resin board dust-proof cuttingFits for 4" / 5" angle grinders and 4.5" / 5" (115 / 125mm) saw bladesCaptures up to 95% of airborne dust, effectively reduce cleaning time after cuttingParameter:Angle grinder front cap fixing range: 40 - 51mmAdjustable cutting depth: 0 - 30mmPackage Contents:1 x Dust Shroud, 1 x Fixing Hoop, 2 x Clamping Washer, 2 x Clamping FlangeNote:This product do not include angle grinder and saw blade