2 holes for safe placementMade of sturdy and high quality stainless steelSecures piping to lessen galleries or beams vibration noiseSnap-on installation. proof against corrosionThe screws will not be includedMaterial: stainless steelcolor:silverShape: U-shapeSize: diameter 80mmPackage includes: 2 items pipe clampsOnly the above equipment content, other products will not be included.Note: Light taking pictures and varied displays may cause the colour of the thing in the photo slightly different from the genuine thing. The measurement allowed error is +/- 1-3cm.