Check the listing for details. 1-5/8 Inch ID Copper Pipe End Cap, Copper Fitting Cap Sweat Plug Connection. Condition: New. Listed at 18.87 USD. These copper pipe end caps are widely used on water plumbing, air conditioner, heat pump system, and refrigeration system. It is a hardware for sealing the end of your copper pipeline.Specification:Color: Copper ToneMaterial: CopperInner Diameter: 42 mm / 1-5/8 InchLength: 10 mm / 0.4 inchThickness: 1.5 mm / 0.06 inchOuter Dia.: 45 mm / 1.8 InchPacking List: 1 Pcs x Copper Pipe FittingAdvantage:The copper pipe end cap is made of copper material, with good thermal conductivity. Have a good performance on transferring the Heat.Smooth surface and no burrs.Instruction:Cleaning the connection surface, and then soldering to install.NOTE: All the sizes mentioned are actual sizes, not the nominal pipe size, please confirm the size before ordering.