These extra large bins offer a generous 42" (3-1/2 Feet) in length to store your larger items. 42" length ensures no wasted space on 42" deep rack. Heavy-duty front, back and side grips allow for easy handling. Wide stacking ledge and anti-slide lock keep stack bins steady and prevent forward shifting. Have eight 1/4" drill hole pattern on bottom of bin for easy hole insertion for drainage and air circulation if needed. Waterproof bins are corrosion free. Available in Blue and Gray. "MOB" models have casters to make the unit mobile.