Screw cap ND18, silver, closed, Sil/PTFE, pk/100 Back Catalog number: 18 03 1666 Availability: In the manufacturer's stock Price on request - + Recommended 18091306 10ml Thread Vial ND18, 46 x 22.5mm, clear, rounded bottom, pk/100 Price on request 5350-18M 18mm Metal Closure with Red PTFE/Si, 0.040",pk/100 87,40 € 702929 N20Magnetic crimp cap, 8mm hole, PTFE/Sil, pk/100 46,20 €