Product Overview 22 gauge (.8 mm) 300 series stainless steel 5 32 inch (4mm) holes drain quickly, but sized to retain most foods Ideal for steaming foods or draining away fats, juices, or moisture For 1 1 2 inch , 2 inch and 2 1 2 inch depths, drain holes located in bottom only. For 4 inch , 6 inch and 8 inch , drain holes in sides and bottom