Knaack LLC and Weather Guard Products’ Pack Rat drawer units for trucks and vans are made from 14-gauge steel and come in one-, two-, three- and four-drawer units with both wide and narrow drawer compartments. Size options include 9 in. or 12½ in. heights and 24 in. or 48 in. lengths. Widths range from 10¼ in. to 39¾ in.