Caps (PE) for 5mm NMR-Tubes, purple, 100 pcs Back Catalog number: 1191 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 1188 Caps (PE) for 5mm NMR-Tubes, blue, 100 pcs Price on request 1197 Caps (PE) for 5mm NMR-Tubes, fuchsia, 100 pcs Price on request 1187 Caps (PE) for 5mm NMR-Tubes, black, 100 pcs Price on request