Sure-Grip Ex Vertical Drum Safety Cabinet, Rollers, 55 Gal, 2 S/C DrJustrite Sure Grip Ex Vertical Drum Safety Cabinet and Drum Rollers 55 gal. Self Closing Doors Use these vertical drum safety cabinets to safely store 30 to 55 gallon (110 to 200 L) drums. The removable, adjustable, half depth shelf provides enough head space to accommodate a drum with a pump or funnel so the cabinet can be used as a pumping or waste accumulation station, and also allows you to store Class III materials or spare accessories. Available