Features: Our copper crimp fittings feature a crimp-type design and can be applied with hydraulic crimping tools to connect and repair copper pipes, making it easier and faster than welding ordinary copper pipe fittings. Specifications: Material: quality pure copper Color: copper Size: as shown in the figure Package includes: Copper fittings Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays Zero-lead Copper Material Certified Safe: these copper Fittings are made of pure copper, featuring zero lead for safe use; With NSF61, CUPC and IAPMO certifications, they are fully compliant for drinking water systems; The NSF61-certified seal ring has highly corrosion-resistant, ensuring safe and leak-free connections Time-saving Flame-free Installation: no soldering, flux, welding tank, hoses, brushes, sandpaper or thread cutters needed-this press fitting is the solution for copper pipe maintenance and repair; Just use a hydraulic press tool for easy operation, making pipe connection and repair quicker and simpler than traditional soldering, especially suitable for narrow spaces Excellent Pressure Resistance Durability: built with copper, the fittings are sturdy and long-lasting, with strong corrosion resistance; They can bear a maximum working pressure of 20kg and a maximum test pressure of 42kg, meeting IAPMO PS 117-2019 test standards, effectively preventing leaks and ensuring stable performance in long-term use Specific Size Wide Applications: 5 Pcs Copper Fittings 3/4 inch Coupling with Stop+5 Pcs Copper Fittings Copper 90 degree Elbow with 3/4 inch Zero Lead; Actual Outer Diameter 7/8”; Widely applied for shower valve replacement, water heater replacement/installation, bathtub pipe repair, and applicable to copper pipe joints or maintenance in water heaters for construction/renovation projects-suitable for commercial, industrial and residential applications Leak-proof Hassle-free Use: the professional press connection design ensures tight and leak-proof performance, avoiding water leakage troubles; No open flame operation during installation, which is safer and more convenient; It saves much time and effort, making pipe maintenance work more efficient for both professionals and DIY users ASIN B0G5X64CY9 Size 3/4 Inch Color 90 Degree Elbows Zero Lead Set Name Therwen Copper Fitting Set (10 Piece) - 5 Pcs Press Fittings Coupling + 5 Pcs 90 Degree Elbow Brand Name Therwen Unit Count 10.0 Count Item Weight 1.64 Pounds Thread Size 0.75 inch Manufacturer Therwen Model Number P 4702 P 0302 Material Type Copper Connector Type Coupling, Elbow Item Dimensions 5.91 x 3.35 x 2.95 inches Number of Pieces 10 Included Components Copper fittings Manufacturer Part Number GFA-Therwen-2833