National Mfg. 150lb Red Spring N281113

National Garage Door Extension Spring – Black garage door extension springs with safety cables, for 7 Ft. high doors. For most garage doors with extension springs. Bulk with cardboard sleeve. – Length: 22 In., Color: Red, Material: Steel, Weight Capacity: 150 Lb., Inner Diameter: 1-5/8 In., Working Load: 1-15/16 In., Door Size: 7 Ft., Pkg Qty: 1, Package Type: TubeNational Hardware 7691 Series N281-113 Extension Spring 150 lb Weight Capacity 25 in OAL