Rotilabo®-opening pliers, for aluminium caps ND 20 mm, 1 unit(s)Rotilabo opening pliers, for aluminium caps ND 20 mm Material: steel tempered, with special, chemical resistant paint. For sealing and opening standard aluminium crimp caps with ND 8, 11, 13 or 20 mm. Special surface coating for excellent grip Effortless working thanks to resetting spring Adjusting screws in crimping head and handle for optimal sealing and reproducible crimping results Allow controlled opening of crimped sample vials without risk of