BrassCraft 3/8 In. C x 7/8 In. BC x 12 In. L Toilet Connector

3/8 In. compression thread (supply valve) x 7/8 In. plastic ballcock nut. Speedi Plumb Plus flexible water connectors. Patented polymer braid bends freely without kinking, resists corrosion, discoloration, and tarnishing caused by common household cleaners.