Salsbury Industries 63158GY-U Triple Tier 12-Inch Wide 5-Feet High 18-Inch Deep Unassembled Standard Metal Locker, Gray Assembled Dimension: 12 W x 66 H x 18 D Inches Compartment Dimensions: (3) - 12 W x 20 H x 18 D Inches Each locker compartment features 3 single wall hooks and a double ceiling hook Each locker compartment includes a lift up handle and recessed hasp for added security and can accommodate combination padlocks or key padlocks Built-in combination or key locks and electronic locks are available as option and are factory installed when purchased together with the locker