1.Lightweight polyethylene construction
 2.Threaded, field replaceable 7mm zinc-plated steel rack rails
 3.Front & rear rack rails
 4.Heavy-duty twist latches
 5.Compact 17" rack depth
 6.Adjustable interior sliding support on each side of rack adjusts from to back and up and down for rear support of gear
 7.Comfortable recessed side handles and locking lids