KJV : Thy shoes <04515> [shall be] iron <01270> and brass <05178>; and as thy days <03117>, [so shall] thy strength <01679> [be]. {Thy shoes: or, Under thy shoes}
NASB : "Your locks will be iron and bronze, And according to your days, so will your leisurely walk be.
NASB# : "Your locks<4515> will be iron<1270> and bronze<5178>, And according to your days<3117>, so will your leisurely<1679> walk<1679> be.