SilTite µ-Union for Joining 0.1 - 0.25 mm & 0.1 - 0.25 mm Columns/Fused Silica, with 0.4 - 0.4 mm Ferrule, 2 pc/PAK

Pack contains 2 unions, 5 double taper ferrules, and the necessary tools  
Ferrules for 0.1 - 0.25 mm ID columns have 0.4mm holes.  Ferrules for 0.32 mm ID columns have 0.5mm holes. Ferrules for 0.53 mm ID columns have 0.8mm holes.