{"product_id":"kobalt-21-inch-multipurpose-push-mower-blade-hardened-steel-rust-resistant-finish","title":"Kobalt 21-inch Multipurpose Push Mower Blade — Hardened Steel, Rust-Resistant Finish","description":"\u003cp\u003e\u003cstrong\u003eKobalt's 21-inch hardened steel multipurpose push mower blade fits KM210-06 and KM211-06 models and delivers balanced cutting performance with a rust-resistant finish.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis replacement blade is designed specifically for Kobalt corded electric push mowers (item #506579, models KM210-06 and KM211-06). It swaps in quickly to restore cutting efficiency after dulling or damage, and its multipurpose profile is built to handle common lawn tasks while maintaining balance and reliability. The blade’s hardened steel construction and protective finish help extend service life and resist surface corrosion from wet grass and storage conditions.\u003c\/p\u003e\n\n\u003ch3\u003eHow will this blade affect my mower's cutting performance?\u003c\/h3\u003e\n\u003cp\u003eInstalling a sharp, balanced multipurpose blade improves cut quality by shearing grass cleanly and reducing tearing. That promotes healthier regrowth and a more even lawn appearance without needing a higher-powered engine.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e21-inch cutting width matches Kobalt 21-in decks for full coverage per pass.\u003c\/li\u003e\n  \u003cli\u003eMultipurpose profile designed for both discharge and light mulching.\u003c\/li\u003e\n  \u003cli\u003eHardened steel edge keeps sharpness longer than soft stamped blades.\u003c\/li\u003e\n  \u003cli\u003eBalanced design reduces vibration for steadier operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this blade fit my mower model and how easy is installation?\u003c\/h3\u003e\n\u003cp\u003eThis blade is made to fit Kobalt item number 506579: the corded electric push mowers KM210-06 and KM211-06 with a 21-inch deck. Installation is straightforward with basic tools and follows the same mounting pattern as the original factory blade.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect replacement for KM210-06 and KM211-06 models—no modification required.\u003c\/li\u003e\n  \u003cli\u003eSame bolt hole pattern and center bore for simple swap-out.\u003c\/li\u003e\n  \u003cli\u003eUse a wrench and follow manufacturer's torque guidance for safe mounting.\u003c\/li\u003e\n  \u003cli\u003eRemove spark or power source per safety instructions before replacing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and finishes does the blade use, and why do they matter?\u003c\/h3\u003e\n\u003cp\u003eThe blade is made from hardened steel to resist bending and wear under normal mowing loads. A rust-resistant surface finish protects against corrosion from wet grass clippings and outdoor storage, helping maintain balance and edge life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHardened steel resists deformation and extends service intervals.\u003c\/li\u003e\n  \u003cli\u003eRust-resistant coating reduces surface oxidation and pitting.\u003c\/li\u003e\n  \u003cli\u003eConsistent weight distribution preserves mower balance and reduces vibration.\u003c\/li\u003e\n  \u003cli\u003eDurability lowers the frequency of blade replacements over time.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This replacement blade is intended for Kobalt 21-inch corded push mower owners who need a direct-fit, durable option to restore cutting performance. It's well suited to homeowners with small-to-medium lawns who want cleaner cuts, less vibration, and a rust-resistant finish for longer blade life. Ideal for anyone replacing a worn or damaged blade on models KM210-06 or KM211-06 who prefers a simple, bolt-on upgrade.\u003c\/p\u003e\n\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this blade fit Kobalt 21-inch KM210-06 and KM211-06 mowers?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. This blade is a direct replacement for item #506579 and fits KM210-06 and KM211-06 21-inch deck models without modification.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this blade for mulching and side discharge?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It’s a multipurpose profile designed to handle both light mulching and side discharge for everyday lawn tasks.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Kobalt","offers":[{"title":"Default Title","offer_id":56834402287956,"sku":"B07DNMCPJ7","price":83.26,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/kobalt-21in-blade-closeup.jpg?v=1787049885","url":"https:\/\/gardenluxe.co.uk\/products\/kobalt-21-inch-multipurpose-push-mower-blade-hardened-steel-rust-resistant-finish","provider":"Gardenluxe Uk","version":"1.0","type":"link"}