<b>Specification: </b> <br> Replacement Recliner Mechanism tension spring 4-5/8inch. <br>1-3/4inch barrel coil. <br> 11/16inch Coil Diameter. <br> 90 degree offset hooks. <br> 20 coils. <br> We are committed to provide perfect products and services for you, if you feel in any way unsatisifed, please contact us via Amazon, we will try our best to help you to solve the problem. <br>