Pelican-Hardigg Blackbox Shockrack cases are lightweight, compact. These double ended cases offer light to medium duty protection and boast significantly better shock performance than the competition. The use of recycled materials in the shell and a sturdy steel frame offer great value while upholding Hardigg's industry leading standards. Cases are watertight and include edge casters in rear lid for mobility, and an automatic breather valve. Made for Fragility Rating 50-80. Loads from 25 to 200 lbs.