Prime-Line Products GD 12207 Sectional Door Extension Spring with 22-Inch Cable， Silver</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>2 springs per wood door; 4 springs fiberglass door</li><li>1/8 in. galvanized carbon steel cable</li><li>Replaces most 7 ft. residential garage door configurations</li><li>Rated at 10，000 cycles</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/31XGhgJdOFL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41eDKqErTGL.jpg' noproxy></br>