Heavy duty metal lockers are always in demand at A Plus Warehouse. We sell the Rhino brand metal locker used on military bases at home and abroad. Consider our heavy duty metal lockers when you have an abusive situation – either environmental or personnel. Where any student can destroy a corridor locker with his fist, a fist to our heavy duty metal lockers would land the student in the nurse’s office. We are your source for the heaviest duty metal lockers.