THE SANDUSKY® 42 IN. HIGH (INCLUDES 6"" HIGH CASTER BASE) X 18 IN. DEEP X 36 IN. WIDE THREE-SHELF MOBILE WELDED BOOKCASE IS THE PERFECT ORGANIZATION SOLUTION THE HOME OFFICE OR WORKSHOP. IT'S CRAFTED OF HEAVY-DUTY WELDED STEEL CONSTRUCTION FOR STRENGTH AND DURABILITY AND IS FINISHED IN A DURABLE POWDER COAT THAT RESISTS CORROSION AND CHIPPING FOR LONG LASTING USE. THE EXTRA DEEP SHELVES MAKE IT EASY TO HOLD BINDERS LARGE BOOKS MANUALS AS WELL AS OFFICE SUPPLIES AND PARTS. WITH TWO ADJUSTABLE SHELVES THAT ADJUST ON 1"" CENTERS PLUS A BOTTOM RAISED SHELF IT'S EASY TO CUSTOM FIT TO YOUR SPECIFIC NEEDS. EACH SHELF HOLDS TO 200 LBS. OF EVENLY DISTRIBUTED WEIGHT. THE BOOKCASE INCLUDES A HEAVY-DUTY STEEL CASTER BASE FEATURING FOUR CASTERS (2-RIGID 2 SWIVEL WITH LOCKING BRAKES) ALLOWING THE CONVENIENCE OF TRANSPORTING YOUR ITEMS WHERE THEY ARE NEEDED MOST. OPEN FACE FOR FULL VISIBILITY AND EASY ACCESS TO CONTENTS. MEETS ANSI/BIFMA SHELF STANDARDS. GREENGUARD GOLD CERTIFIED. PROUDLY MADE IN THE USA.