ESV: The folds of his flesh stick together, firmly cast on him and immovable.
NIV: The folds of its flesh are tightly joined; they are firm and immovable.
NASB: The folds of his flesh are joined together, Firm and immovable on him.
CSB: The folds of his flesh are joined together, solid as metal and immovable.
NLT: Its flesh is hard and firm and cannot be penetrated.
KJV: The flakes of his flesh are joined together: they are firm in themselves; they cannot be moved.
NKJV: The folds of his flesh are joined together; They are firm on him and cannot be moved.