{"product_id":"e78804-extension-spring","title":"E78804: Extension Spring","description":"Extension spring designed for various mechanical applications, providing reliable tension and flexibility. Features a wire diameter of 0.71 mm (0.03 in) and an outer diameter of 9.50 mm (3\/8 in) for precise tension control. Free length of 36 mm (1.42 in) with a spring rate of 0.10 mm (0.59 in) ensures optimal performance in dynamic environments. Made from high quality steel for durability and strength. Finished with a zinc coating for enhanced corrosion resistance and longevity.","brand":"John Deere","offers":[{"title":"Default Title","offer_id":48180788592873,"sku":"E78804","price":6.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0550\/3254\/5513\/files\/E78804_1.jpg?v=1741569300","url":"https:\/\/bti-direct.com\/products\/e78804-extension-spring","provider":"BTI Direct","version":"1.0","type":"link"}