{"product_id":"mt4205-extension-spring","title":"MT4205: Extension Spring","description":"Extension spring designed to absorb and store energy, providing resistance to a pulling force. Features a wire diameter of 8.73 mm and a free length of 406.40 mm, ideal for various tension applications. Includes an outer diameter of 50.80 mm and a spring rate of 21.48 mm, ensuring optimal performance. Made from high quality steel for durability and reliability. Finished with a painted coating for enhanced protection against corrosion and wear.","brand":"John Deere","offers":[{"title":"Default Title","offer_id":51056032186601,"sku":"MT4205","price":139.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0550\/3254\/5513\/files\/55d614cf09f1f6a0d759c4815b9ecb28.webp?v=1778994097","url":"https:\/\/bti-direct.com\/products\/mt4205-extension-spring","provider":"BTI Direct","version":"1.0","type":"link"}