8U 20-inch Deep rSeries Rolling Shock RackProduct Overview The Rolling Shockmount Case series incorporates our black powder coated twist latches with locking loops and low profile injection molded pull handle. The molded design provides extra stiffness in the lids and sides while also allowing the racks to stack securely together. Features Black powder coated twist latches with locking loops Threaded steel rails Rear rails Built in wheels Shock and water resistant Low profile pull handle