HEAVY DUTY COMMERCIAL GRADE: This reliable JaboEquip Utility Cart with 2 lockable doors made of commercial reinforced top grade materials and ABS medical doors and medical grade TPR castors. It can hold up to 606 lbs per cart. ABS LOCKABLE DOORS: Attach 2 Sets of Lockable doors keep goods safe and privacy, easy to open and close. You need Lockable medical carts. VERY STURDY AFTER ASSEMBLED: Just a rubber hammer can assemble handles and cart. Assembly manual step by step is included. It takes a little time to assemble it, and once the 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 cart. 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.