Features: High quality copper material,long-lasting. Designed with the most commonly used British filling pipe interface. Wide operating temperature range from -20 to 120℃. Versatile applications including air conditioning branch pipes, refrigeration equipment, ship pipes, copper water pipes, and more. Easy to connect with threaded connector fitting adapter for convenient installation. Specifications: Material:Copper Color:yellow Maximum pressure: 229 PSI, 1.6 Mpa Operating temperature: -20 to 120℃ Size: 6.35mm = SAE 1/4" (7/16"-20 UNF nut thread), overall length 86mm, tube length 64mm 9.52mm = SAE 3/8" (5/8"-18 UNF nut thread), overall length 96mm, tube length 70mm 12.7mm = SAE 1/2" (3 /4"-16 UNF nut thread), overall length 100mm, tube length 69mm 15.88mm = SAE 5/8" (7/8"-14 UNF nut thread), overall length 103mm, tube length 70mm 19.05mm = SAE 3/4" (7/8"-14 UNF nut thread, total length 104mm, tube length 70mm Package Content: 1 x Air conditioning copper pipe Note: 1. The color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.