HEAVY DUTY COMMERCIAL GRADE: This reliable JaboEquip Utility Cart Service Cart with drawers and lockable door is made of commercial reinforced top grade materials and ABS in shelves, Aluminum legs and medical grade TPR castors. It can hold up to 606 lbs per cart. ABS LOCKABLE DOOR: Lockable door keeps goods safe and privacy, easy to open and close. STURDY AFTER ASSEMBLED: Just a rubber hammer can assemble handles and cart, only drawers require some screws to be installed. Assembly manual step by step is included. After cart is assembled, it is sturdy and firm for daily frequent use. CHEMICAL-RESISTANT SHELVES: The shelves are chemical resistant, its also suitable for Laboratory purpose as Lab carts. LOCKING BRAKES WHEELS SECURED: just one easy step on brakes to ensure your cart stays still and secure cart without moving to assist you while working.