The new 1SKB-R04WMAC Rolling Shockmount Mac Pro Tower Case accommodates the powerful new Mac Pro Towers and the widely used Mac G5 Tower, providing convenient portability along with ultimate shock absorbing protection.The 1SKB-R04WMAC features a custom frame, which accommodates the unique shape of the Mac Pro Tower and allows for vertical mounting of the tower. Steel rack rails front and back ensure a secure mount and eight elastomeric corner shocks effectively absorb vibration and cushion the ride.The new 1SKB-R04WMAC is rotationally molded for durability and features SKB?s patented, recessed TSA Trigger Release Latching System. A low profile injection molded, retractable pull handle and roller blade wheels combine for easy transport mobility . . . just tilt and go. The molded-in design contours provide extra stiffness in the lids and sides and engage for secure stacking. The rack depth is 20? from rail to rail and each lid is 2-1/4 inches deep. The full size doors make it easy to access the Mac Pro?s multiple front and rear I/O ports. An ambient pressure relief valve and gasket sealed front and rear doors protect the Mac Pro Tower from moisture and the oversized snap-down handles on each side make for easy lifting.The Rolling Shockmount Case series incorporates our black powder coated twist latches with locking loops and low profile injection molded pull handle with a 20 inch deep tough shell. The molded design provides extra stiffness in the lids and sides and allows for secure stacking. Rack depth front to rear rail is 20 inches and each lid is 2-1/4 inches deep. Doors are fully usable even when racks are stacked together. Elastomeric shocks protect even the heaviest of loads. Sliding retractable handle, ambient pressure relief valve, oversized snap-down handles on each side, roller blade wheels, and gasket protected front and rear doors are all standard equipment.