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. 10 year warranty. The longest warranty available.