Plastic Cutting Board Legs F-45 (Set of 2) for 45cm Boards 450 x H160 Retail Price: ¥18,920 Stored away, never taken out of the bag after purchase. For someone who will use them. The yellow string is for securing the legs. For chefs and restaurants: Raise the height of low cutting boards, for drainage, hygiene, and safety. Unused, new condition. For factories, workshops, and raising shelves, for height adjustment.