{"product_id":"knockout-four-pack-sliding-screen-door-tension-spr","title":"Knockout Four Pack Sliding Screen Door Tension Springs Replace B638 B687 B639 B756 Push Pull Hardware With Rock Solid Stainless Steel Bearings For Hardcore College Style Doors","description":"\u003cdiv\u003eFour Count Heavy Duty Sliding Screen Door Springs\u003cbr\u003e\n✔️ Pack of four stainless steel rollers measure 2.09 x 1.18 inches \u003cp\u003eThis four pack of replacement tension springs is built for sliding patio screens that need steady pull force. They deliver reliable rolling action for everyday backyard access. Swapping out tired hardware fixes sagging panels and stops draft leaks fast.\u003c\/p\u003e ✅ Package includes four push pull screen door tension springs\u003cbr\u003e\n✅ Made from sturdy stainless steel for rust resistant durability\u003cbr\u003e\n✅ Dimensions cover 5.3 x 3 x 1 cm or 2.09 x 1.18 x 0.39 inches\u003cbr\u003e\n✅ Fits standard B638 B687 B639 and B756 mount slots\u003cbr\u003e\n✅ Ball bearing rollers keep the path clear and quiet\u003cbr\u003e \u003cp\u003e💡 How do I fix sliding screen doors that drag or jump off tracks? Worn tension springs cause uneven pulling forces that misalign rollers and wreck smooth operation. Installing fresh hardware resets the pull curve and locks the panel back in place. The process stays simple and avoids major trim work.\u003cbr\u003e- Replacement sizes handle heavy mesh panels without bending or sagging\u003cbr\u003e- Sealed bearing assemblies reduce friction and block dirt accumulation\u003cbr\u003e- Direct swap design fits standard door channels and clears binding issues\u003c\/p\u003e✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":49236442874091,"sku":"VXB0FH61SPDW","price":45.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/61X9gPS9miL.jpg?v=1786822740","url":"https:\/\/vxb.com\/products\/knockout-four-pack-sliding-screen-door-tension-spr","provider":"VXB Bearings","version":"1.0","type":"link"}