TrippNT's GC Column organizers are perfect for chromatographers who use columns that need quick access and protection of delicate glass and capillary GC columns. Stores and protects GC columns, tools and accessories. Shelf and tool holder with see-through hinged lid protects supplies from dust. Side mounted tool holder stores wrenches and frequently used tools. Professional, handcrafted white PVC cabinet with smooth, non-scratching surfaces.