Hook and Hook Turnbuckle Marine Grade Stainless Steel 3/8 Inch 3/8" Hook and hook turnbuckle,open body style It is 245mm long when fully closed,is 360mm long when fully opened Working load limit:300kg Hook and Hook Turnbuckles have a strong construction and a electric finished that resists rust and corrosion. Material is Stainless Steel 304,package include:1 pack marine turnbuckle