LordHardware Stainless Steel 3/8'' Large M10 Turnbuckles Hook to Eye, Heavy Duty Adjustable Tensioner Shade Sail Hardware for Tightening up Metal Cable Wire, Set of 4$$Tools & Hardware Other

Made of 304 stainless steel that protects against corrosion Suitable for marine, outdoor and general applications Create tension in cables, ropes, tie rods and chains Thread Diameter: 3/8 inches; Maximum Adjustment: 5 inches