Two casters with brakes and two universal casters for easy movement and security. Open frame design ensures better heat dissipation and also convenient to put equipments Compared with other server cabinets, we offer a server rack mount shelf which can adjust height, ensuring you to place more for your data, IT, networking, or other non rack mount equipments. Sturdy SPCC cold-rolled steel with weight capacity of 500 lbs. 19.7"W x 17.7"D x 26.8"H (12U). Fits 19" electronic equipment.