National Hardware N221-747 2170 Eye/Eye Turnbuckles in Zinc, 1/4" x 7-1/2" Steel wire eye on both ends Extruded aluminum body Designed for tightening or drawing together various lines and cables LifeSpan Limited Lifetime Warranty Hex body allows for ease of adjustment by hand or with a wrench Steel wire eye on both ends Extruded aluminum body Designed for tightening or drawing together various lines and cables