TR-400088 20 ml Amber Glass,Belveled Edge, Rounded-Flat bottom Crimp HS Vial short neck (PE) 100 Teknokroma Crimp Cap & Septa Cat.No Description Pk TR-400030 20 mm Open Top Aluminium Crimp Cap (10 mm Hole) PTFE/Natural Silicone Septa 100 TR-400038 20 mm Open Top Magnetic Crimp Cap (8 mm Hole) Red & Silver PTFE/Silicone Septa 100 TR-400059 20 mm