In many industries, including construction, manufacturing, marine, and agricultural applications, a turnbuckle (also referred to as a turnbuckle or buckle) is a mechanical apparatus primarily used for adjusting tension/lenght of rope/cables/tie rods to maintain structural stability/integrity of structures. Turnbuckle remains primarily associated with reinforcing structures via turn buckle stay rods when viewed throughout industry examples — examples include utility pole supports, machinery supports, architectural braces.