A turnbuckle (also called a stretching screw or bottlescrew) is a mechanical device used to adjust the tension or length of ropes, cables, tie rods, and other tensioning systemsOct 7th, 2026 2:52 PMShare this on :Keywordsmechanical device used to adjustadjust the tension or lengthstretching screw or bottlescrewturnbuckle is a mechanical deviceropes, cables, tie rods