Customer Reviews for VEVOR Hairpin Table Legs 0.7M, Set of 4 Desk Legs 408.2KG Load Capacity, Hairpin Desk Legs 3 Rods for Desk Chairs Bench Dining End Table, Solid Carbon Steel Heavy Duty Furniture Legs Black
30" legs, the legs are easy to mount and are functional but can tend to sway easily. It's fine for light work.
The mounting plate is the same size for all length legs, this maybe should be scaled up for longer legs for the extra stability.