Macherey-Nagel CPS Guard Cartridge Holder Kit for 4 x 2mm and 4 x 3mm guard cartridges

Consists of: - 1 Guard Column Holder with steel capillary 0.12mm ID special PEEK ferrule and connector to main column - 2 double open ended wrenches 12 and 14mm - 3 ferrules - 2 replacement capillaries (0.12mm ID)