Convenience Kit, Certified Crimp Top Vial, 2mL Vial: C4011-1W : Clear: Yes: Silver: PTFE/Synthetic Red Rubber: 100: Assembled Certified Vial Kits; CERT5000-175W: Certified 9mm Wide Opening Screw Vial, 2mL Vial: C4000-2W : Amber: Yes: Black C5000-64B: Bonded Red PTFE/White Silicone: 100: CERT5000-193W: Certified 9mm Wide Opening Screw Vial, 2mL