2.0 mL, 11 mm Poly Crimp-Top/Snap-Top Caps and PTFE/Silicone Septa, Blue, 1,000/pk

The Poly Crimp seal is versatile, working as either a snap-on or crimp-top cap. Simply use a standard crimping tool to secure the Poly Crimp seal onto any crimp-top vial. It’s that easy!