Recliner-Handles Brand Be Aware of Imitators Only products purchased directly from Recliner-Handles carry our warranty. Recliner mechanism assist, tension or locking spring. Recliner-Handles.com has a supply of Berkline recliner repair parts and springs. This furniture repair spring was used on Berkline recliner mechanisms and maybe others as well. It measures approx. 6 inches from hook to hook. It has 30 coils in the spring which are approx. 3/8 diameter and the hook on one end extends approx. 2 3/8 inches up from the coils. This Berkline furniture repair part is the easy inexpensive way to repair your Berkline furniture and recliners.