... on the top and bottom can be closed, and wire holes dimentions can be change at requestments.6. Several lockable cable ... and support feet at the same time.9.Compatible with 19 standard equipments,metrics standard equipment.Material:SPCC quality cold rolled ... , 18U, 22U, 27U, 32U, 36U, 40U, 42U, 45U Good quality 19 inch WXD WB2 600x1000 27U sever rack / network cabinet / network ...