This is a stainless steel all Egyptian hookah stem with a decorative colored caramana bead in the center. It is a one hose model with a check release valve. The stem comes with a snap on tray. A hookah using this stem will typically stands 22 inches tall when complete. The hub is 1.25 inches across and the down tube drops seven inches from the top of the hub. This stem will typically fit on glasses 1 5/8 inches or 4 cm in diameter.