The Quad Column storage cabinets offer the largest capacity for medical supply storage in the MedStor Max Range. The quad column cabinets are available in either painted or stainless steel, and there are three main configurations with glass doors and key locks: standard quad column, double wide open columns, or double wide open left column. Select models are also available with Tambour doors, Electronic locks or keypad locks. Each column has 47 different insertion points to hold your choice of shelves, trays, baskets, or catheter slides. 5" Quiet rolling Tente® Casters give the cabinets great mobility.