National Hardware N221-820 2171 Eye/Eye Turnbuckles - Stainless Steel in Stainless Steel, 3/16" x 5-1/2" Stainless 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 Stainless steel wire eye on both ends Extruded aluminum body Designed for tightening or drawing together various lines and cables