Home / Drawer Slides / Under-mount Slides / TDD Soft Close Under Mount Slides TDD Soft Close, Full Extension, Under-Mount Slides The Drawer Depot (TDD) drawer slides are full extension and feature superior running conditions.Soft-Close slows your drawer softly and closes it quietly. These slides fit the same drawer size as the Blum Tandem slides. TDD 8000 Undermount TDD 8800 Undermount Share on facebook Share on google Share on twitter Share on linkedin Share on email Share on skype Share on pinterest