12.7 Mm (O/D) X 1.016 Mm Tk (19 Swg) X 1158 Dvlplength, U-Bend Wire Wound 90-10 Cu-Ni Tubes As Perd , 12.7 Mm (O/D) X 1.016 Mm Tk (19 Swg) X 758 Dvlplength, U-Bend Wire Wound 90-10 Cu-Ni Tubes As Perd Quantity: 1700