The workbench the subject of this ruling is identified as a “WX055 Folding Speed Bench”. It has a reinforced plastic surface and four foldout steel legs actuated by a steel locking mechanism that doubles as a carrying handle. The tabletop has 4 slots and 17 dog holes to facilitate material handling and clamping. Four plastic dogs (pegs) are included. With the legs extended, the table measures 850 mm (W) x 605 mm (D) x 800 mm (H).
[1] Please importantly note that only the relevant portion of the related is displayed above. You may refer to the said customs ruling for the entire ruling explanation.
[1]. https://rulings.cbp.gov/ruling/N315828