E900 Hardware P728 Plug-End (0.177-in #7 Wire) Black Steel Garage Door Extension Spring Fence Hardware ensuring they maintain their color

E900 Hardware P728 Plug End (0.177 in #7 Wire) Black Steel Garage Door Extension Spring Fence Hardware ensuring they maintain their color ensuring they maintain their color even after prolonged sun exposure 1 functional door Package Quantity 1 Package Contents One one piece garage door plug end extension spring Color Finish Family Black Length (Inches) 28 Material Steel Manufacturer Color Finish Black Sub Brand P728 Plug End ( 2 x P728 springs support 90 pound to 150 pound garage doors 4 x P728 springs support 150 pound to 300 pound garage doors Length over coils: 28 inches Outside diameter: 1 5 16 inches Wire gauge: (0