VEVOR Stainless Steel Work Table 30 x 24 x 33 Inch, 700 LBS Load Capacity with 4 Wheels, 3 Adjustable Height Levels, Heavy Duty Food Prep Worktable for Commercial Kitchen Restaurant, Silver

How much space in mm between the tablelegs lowe shelf?. The upper is obviously 600mm but need to know how "broad" the lower shelf is for inserting things.