Fluidmaster B1T12 Toilet Connector, Braided Stainless Steel - 3/8 Female Compression Thread x 7/8 Female Ballcock Thread, 12-Inch Length Each foot of NO-BURST contains 250' of Stainless steel wire 12-Inch length 3/8-Inch compression by 7/8-Inch ballcock Stainless steel braiding for extra protection 5 year warranty