National Hardware N222-026 2174 Hook/Hook Turnbuckles in Zinc, 3/8" x 10-1/2" Steel wire hook 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 hook on both ends Extruded aluminum body Designed for tightening or drawing together various lines and cables