Fluidmaster B1T12CS 12 Inch Click Seal Toilet Supply Line

12 inches, click seal connection, no burst, braided stainless steel, toilet connector, 3/8 inches female compression thread x 7/8 inches female ballcock thread, a click seal nut thread the supply line till you hear a"click", this let's you know it's sealed. Technology you can trust.fluidmaster toilet water supply connectors or water supply lines are built to last. Made of a tough polymer core covered with braided stainless steel wire, these connectors exceed every code requirement in the book for durability. They also have a large inside diameter for higher flow capacity. 7/8 inch female ballcock by 3/8 inch female compression.