The First Unbreakable and Adjustable Downstem The Titan-Stem 3.0 from Ace Labz is the ultimate downstem solution for anyone who has clumsy friends, or if you yourself are a bit of a butter finger. Made from aircraft-grade aluminum, this stem will not shatter upon impact like your typical glass downstem. This beautiful anodized, non-stick finish makes the piece extremely easy to clean. Fully interchangeable and universal, you can use this downstem on any water pipe or concentrate rig with a 14mm or 19mm joint. Titan Stem Features: Easy to Clean 2 Stems Per Set 3 Different Diffuser Options Available in Variety of Colours Adjustable Length (2.5″ to 8.5″) Withstands High Heat (Torch Friendly)