Interlock Vial. Often Purchased with: 2.0 mL, 11 mm Aluminum Crimp-Top Seals with PTFE/Silicone Septa, Silver, 1,000-pk. 2.0 mL, 11 mm Aluminum Crimp-Top Seals with PTFE/Natural Rubber Septa, Silver, 1,000-pk. 22439. Glass. 12 x 32 mm. 11 mm Crimp or Snap Ring. 100-pk.