VEVOR 2PCS Metal Table Legs, T- shaped Dining Table Legs 16” Height, Desk Legs Bench Legs Feet DIY Coffee Table Legs, 1763lbs Load Capacity, Steel Table Legs for Kitchen Office Desk

High, I am considering buying bench legs that are 18 inches height. Are the legs of a "16 x 18 inch" bench really 18 inches, not 16? https://eur.vevor.com/metal-table-leg-c_10545/metal-table-legs-dining-table-legs-16-height-t-shape-desk-legs-set-of-2-rustic-p_010943688514