Features: -With 4 wheels, heavy computer host can be moved easily, and 2 wheels can be locked to keep it stationary. -Suitable for computer hosts with a length and width of 430-570mm and 230-370mm. -Made of stainless steel and ABS, it has a smooth surface, no burrs, strong load-bearing capacity, and is suitable for most computer cases on the market. -With anti-slip texture, it can ensure that the computer host is placed firmly to prevent accidental falling. -Installation is easy, all necessary hardware is provided, you can assemble it immediately and use it easily. Specifications: Color: black .