No-Burst faucet water supply connectors fit 3/8" Female compression thread x 1/2" I.P. Female straight thread. 220' of stainless steel wire per foot ensures high bursting strength. Stainless ferrules are extra long, with radial crimps. Nickel-plated brass hex nuts. Inner strengths, too. Tough, NSF approved polymer core resists chlorine and chloramines. Ample inside diameter for high flow capacity. Captive cone washers seal tightly, can't fall out. Exceptional flexibility for fast, easy installation. Won't kink or crease, even in the tightest of spaces. Heavy-duty brass hex nuts are easy-to-grip and nickel-plated for durability. Exceeds all requirements for flexible water connectors as defined by ASME A112.18.6 and CSA B125. 5 year warranty.