LOT OF 5 HPLC COLUMNS SOME NEW & SOME HAVE BEEN USED A LITTLE.

THERMO HYPERSIL KEYSTONE 72105-152130 BIOBASIC-18  150 x 2.1mm / 5um.

RESTEK 9162572 ALLURE ACIDIX 250 x 2.1mm / 5um

KEYSTONE 2552002CPG DELTABOND OCTYL 250 x 2mm / 5um

YMC-PACK ODS-AMQ / AQ20S05-1546WT / AMQ-302-5 / 150 x 4.6mm / 5um

SGE 2067014 NUCLEOSIL ODS 250 x 4.6mm / 5um