{"product_id":"kousika-replacement-spools-for-kobalt-40v-kst-120x-8-pack-6-prewound-autofeed-spools-2-caps","title":"Kousika Replacement Spools for Kobalt 40V KST-120X — 8-Pack (6 Prewound Autofeed Spools + 2 Caps)","description":"\u003cp\u003e\u003cstrong\u003eThe Kousika KST-120X replacement spool pack provides six pre-wound autofeed dual-line spools and two caps designed to fit Kobalt KST 120X-series 40V cordless string trimmers for quick, dependable line changes.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eKeep your Kobalt 40V trimmer running with minimal downtime using these ready-to-install spools. Each head arrives pre-loaded with 20 feet of 0.065\" polyamide nylon line in a dual-line configuration and is built on a robust ABS autofeed spool. This set replaces KST 120X (Item #651246), KST 120X-06 (Item #506886), and KST 2040-06 (Item #1520463) models, giving you several spares so you can finish yard jobs without hunting for parts.\u003c\/p\u003e\n\n\u003ch3\u003eWill these spools work with my Kobalt trimmer model?\u003c\/h3\u003e\n\u003cp\u003eThese Kousika spools are manufactured to match the KST 120X family of Kobalt 40V trimmers. They are not a universal fit, so confirm your trimmer’s model number before purchasing. If your trimmer uses the listed spool model numbers, installation should be straightforward.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible models: KST 120X, KST 120X-06, KST 2040-06\u003c\/li\u003e\n  \u003cli\u003eNot universal — verify your trimmer’s spool part number\u003c\/li\u003e\n  \u003cli\u003eDesigned for Kobalt 40V cordless string trimmers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable and easy to use are these replacement spools?\u003c\/h3\u003e\n\u003cp\u003eEach spool is molded from high-quality ABS for impact resistance and uses polyamide nylon line for improved tensile strength. They come pre-wound with dual 20 ft lines, so you spend less time loading and more time trimming. The autofeed design maintains line length as you work, reducing interruptions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePre-wound 20 ft of 0.065\" nylon line per spool\u003c\/li\u003e\n  \u003cli\u003eABS autofeed spool body for toughness and quick installation\u003c\/li\u003e\n  \u003cli\u003eDual-line configuration for efficient cutting performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat’s included and how does this package save time and money?\u003c\/h3\u003e\n\u003cp\u003eThis value pack contains six fully loaded spools plus two spare cover caps, so you have multiple replacements on hand for several maintenance cycles. Buying in bulk reduces the need for frequent single-spool purchases and ensures you’re prepared for heavier trimming tasks across seasons. The extra caps help if an original part is lost or damaged.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e6 pre-wound autofeed spools (each with 20 ft of line)\u003c\/li\u003e\n  \u003cli\u003e2 replacement cover caps included\u003c\/li\u003e\n  \u003cli\u003eBulk supply avoids repeated small purchases and downtime\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install these spools and keep them performing?\u003c\/h3\u003e\n\u003cp\u003eInstallation follows the same process as the original Kobalt head: remove the spent spool, place the pre-wound replacement in the housing, and secure the cover cap. To maximize spool life, avoid striking hard surfaces and replace worn line before fraying becomes excessive. Store spares in a cool, dry place to preserve line flexibility.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSwap in place of original KST 120X-style spools — no rewinding needed\u003c\/li\u003e\n  \u003cli\u003eReplace line at first sign of heavy wear or frequent breakage\u003c\/li\u003e\n  \u003cli\u003eStore spools away from heat and prolonged sunlight exposure\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Homeowners and landscaping pros who use Kobalt 40V KST 120X-series trimmers and want ready-to-install replacement heads to minimize interruptions. If you prefer having multiple spares for seasonal projects, value bulk packaging, and need a durable autofeed replacement compatible with specific Kobalt models, this Kousika pack is a practical, cost-effective choice. Note: confirm compatibility with your trimmer’s spool part number prior to purchase to ensure a correct fit.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these spools compatible with all Kobalt trimmers?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. They fit KST 120X, KST 120X-06, and KST 2040-06 Kobalt 40V models only. Check your trimmer’s spool part number first.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How much line comes pre-wound on each spool?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Each spool is pre-wound with 20 feet of 0.065\" polyamide nylon line in a dual-line configuration.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Kousika","offers":[{"title":"Default Title","offer_id":54193804116152,"sku":"B0DSLPV84B","price":52.51,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0636\/7416\/files\/kousika-front-packaging-kst-120x.jpg?v=1790565958","url":"https:\/\/canadianlawn.ca\/products\/kousika-replacement-spools-for-kobalt-40v-kst-120x-8-pack-6-prewound-autofeed-spools-2-caps","provider":"Canadian Lawn","version":"1.0","type":"link"}