This threaded pipe joint is designed for open-hole sealing connection for inlet and outlet pipes of water tanks, buckets, etc.Specification:Color: GreyShape: StraightMaterial: PVC (Polyvinyl Chloride), Silicone RubberFit Drilling Hole Size: 25mm ID, DN20Outer Diameter: 32mm / 1.26 inchInner Diameter: 25mm / 3/4 inchOverall Dimension: 84.5x45mm / 3.33x1.77 inch (L*Max. D)Package Content: 1 x Pipe Joint with GasketsAdvantage:High strength, weather resistance, lightweight, moisture resistance, wear resistance, chemical corrosion resistance, clear thread, easy to use.Instruction:Drill a hole in the glass that is consistent with the outer diameter of the pipe fitting, place one silicone gasket inside and outside the glass, then tighten it by hand.Notice: Please confirm the correct size before ordering. If used together with adhesive glue (not included here), the effect will be better and longer-lasting after 24 hours.