The STMR-A10X4U rack case offers 4U vertical and 10U top spaces, providing robust protection for your PA/DJ gear The slant mixer top comes with 10U spaces (17.5'), making it compatible with a variety of popular mixers Crafted from high-quality ABS material, the rack case is lightweight yet tough, perfect for on-the-go Removable front, top, and rear covers provide maximum access to equipment for easy equipment setup and operation Heavy-duty twist latches and recessed handles make it easy to move around. With the STRC-ACB2 caster board (sold separately), it is perfect for touring applications