Caps (PE) for 5mm NMR-Tubes, blue, 100 pcs Back Catalog number: 1188 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 1193 Caps (PE) for 5mm NMR-Tubes, white, 100 pcs Price on request 1198 Caps (PE) for 5mm NMR-Tubes, aqua, 100 pcs Price on request 1191 Caps (PE) for 5mm NMR-Tubes, purple, 100 pcs Price on request