Microsolv Headspace Crimp Cap gold, steel, magnetic, 8mm center hole, with white Sil/blue PTFE Septa, for 20mm Crimp Top Headspace vials, 100 pc/PAK

Caps, Headspace, Crimp Top, with White Silicone Rubber / Blue PTFE Septa, fitted in Steel, Magnetic, Gold Caps with 8mm center holes. For use with 20mm Crimp Top Headspace Vials. MicroSolv Brand