Specification Brand : uxcell BulletPoint1 : Thread Size: 1/8NPT; Overall Size: 13 x 13mm/0.51" x 0.51"(Hex.W*H). BulletPoint2 : Material: This pipe cap is mainly made of brass, with high strength, corrosion resistance and high temperature resistance. BulletPoint3 : Installation: Wind 5-8 turns of sealing tape on the male thread or use a sealing rubber ring, screw on the cap and use a wrench tighten. BulletPoint4 : Applications: This is mainly used for sealing joints and pipes. Widely used in outdoor gardens, washing machines, air conditioners, water heaters, storage rooms, etc. BulletPoint5 : Note: We suggest wearing gloves to prevent burrs or screws from hurting your fingers. Shut down the fluid source of the pipe or joint and fully release the pressure before installing the product to prevent liquid or gas jet. ConnectorType : Cap ExteriorFinish : Brass GpsrSafetyAttestation : 1 ItemName : uxcell 1/8NPT Pipe Fitting Valve Cap, Brass Hex Female Thread Hose Connector, for Garden and Outdoor Water Pipes Nozzle Joints, 4Pcs ItemPackageDimensions_Height : 13.462 centimeters ItemPackageDimensions_Length : 1.524 centimeters ItemPackageDimensions_Width : 7.62 centimeters ItemShape : cap ItemTypeKeyword : garden-hose-parts Manufacturer : uxcell Material : Brass ModelNumber : a18122700ux0475 NumberOfItems : 4 NumberOfPieces : 4 PartNumber : a18122700ux0475 ProductDescription : Specification: Product Name: Brass Pipe Cap Material: Brass Color: Gold Tone Thread Size: 1/8NPT Thread Length : 0.31 " =8mm Hex Width :0.51" =13mm Hex Height : 0.51" =13mm Total Size: 13 x 13mm / 0.51-inch x 0.51-inch (W*H) Package Content : 4pcs x Brass Cap Description: 1.THREAD TYPE. This hex head end plug is a brass pipe fitting with 1/8" female NPT threads. 2.MATERIAL.This fitting is made of brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability. Brass can be connected to copper, brass, plastic, aluminum, and welded steel. 3. ADVANTAGE. It has Female NPT threads for connecting to male threaded pipes, creating a tighter seal than straight threads. The round drive countersunk plug has fair vibration resistance and is suitable in low to medium pressure applications. 4.APPLICATION. Generally used in Air conditioning refrigeration, plumbing hardware, hot and cold water supply, air energy water heater, construction machinery, refrigeration equipment, etc.