{"product_id":"ec300-replacement-screw-hardware-kit","title":"EC300 Replacement Screw \u0026 Hardware Kit","description":"\u003cstyle\u003e\n  .ec300-kit-page {\n    max-width: 1000px;\n    margin: 0 auto;\n    padding: 30px 20px;\n    font-family: Poppins, Arial, sans-serif;\n    color: #201F1C;\n    line-height: 1.7;\n  }\n\n  .ec300-kit-page * {\n    box-sizing: border-box;\n  }\n\n  .ec300-kit-page h2,\n  .ec300-kit-page h3,\n  .ec300-kit-page p {\n    margin-top: 0;\n  }\n\n  \/* Hero *\/\n  .ec300-kit-hero {\n    text-align: center;\n    padding: 42px 25px;\n    background: #FAFAFA;\n    border-radius: 18px;\n    margin-bottom: 38px;\n  }\n\n  .ec300-kit-eyebrow {\n    display: inline-block;\n    margin-bottom: 12px;\n    padding: 5px 14px;\n    border-radius: 30px;\n    background: #FFF4E3;\n    color: #9B681E;\n    font-size: 13px;\n    font-weight: 600;\n    letter-spacing: 0.4px;\n  }\n\n  .ec300-kit-hero h2 {\n    margin-bottom: 14px;\n    font-size: 30px;\n    line-height: 1.3;\n    font-weight: 600;\n  }\n\n  .ec300-kit-hero p {\n    max-width: 720px;\n    margin: 0 auto;\n    color: #706C66;\n    font-size: 15px;\n  }\n\n  \/* Section *\/\n  .ec300-kit-section {\n    padding: 32px 0;\n    border-bottom: 1px solid #E9E6E1;\n  }\n\n  .ec300-kit-section:last-child {\n    border-bottom: none;\n  }\n\n  .ec300-kit-section h3 {\n    margin-bottom: 18px;\n    font-size: 20px;\n    font-weight: 600;\n  }\n\n  .ec300-kit-section \u003e p {\n    color: #706C66;\n    font-size: 15px;\n  }\n\n  \/* Included items *\/\n  .ec300-kit-grid {\n    display: grid;\n    grid-template-columns: repeat(2, 1fr);\n    gap: 12px;\n    margin-top: 20px;\n  }\n\n  .ec300-kit-item {\n    padding: 16px 18px;\n    background: #FAFAFA;\n    border-radius: 10px;\n    font-size: 14px;\n  }\n\n  .ec300-kit-item strong {\n    display: block;\n    margin-bottom: 3px;\n    font-size: 14px;\n    font-weight: 600;\n  }\n\n  .ec300-kit-item span {\n    color: #706C66;\n  }\n\n  .ec300-kit-total {\n    margin-top: 16px;\n    padding: 14px 18px;\n    background: #FFF7EB;\n    border-radius: 10px;\n    font-size: 14px;\n  }\n\n  \/* Compatibility *\/\n  .ec300-kit-compatibility {\n    padding: 22px;\n    background: #F7F7F5;\n    border-radius: 12px;\n  }\n\n  .ec300-kit-compatibility p:last-child {\n    margin-bottom: 0;\n  }\n\n  \/* Buttons *\/\n  .ec300-kit-actions {\n    display: flex;\n    flex-wrap: wrap;\n    gap: 12px;\n    margin-top: 20px;\n  }\n\n  .ec300-kit-btn {\n    display: inline-block;\n    padding: 11px 22px;\n    border-radius: 40px;\n    text-decoration: none !important;\n    font-size: 14px;\n    font-weight: 500;\n    transition: opacity 0.2s ease;\n  }\n\n  .ec300-kit-btn:hover {\n    opacity: 0.85;\n  }\n\n  .ec300-kit-btn-primary {\n    background: #F0AD46;\n    color: #201F1C !important;\n  }\n\n  .ec300-kit-btn-secondary {\n    border: 1px solid #D8D4CE;\n    color: #201F1C !important;\n    background: #FFFFFF;\n  }\n\n  \/* Before order *\/\n  .ec300-kit-checklist {\n    margin: 0;\n    padding-left: 20px;\n    color: #706C66;\n    font-size: 15px;\n  }\n\n  .ec300-kit-checklist li {\n    margin-bottom: 9px;\n  }\n\n  \/* Final sale *\/\n  .ec300-kit-warning {\n    margin-top: 5px;\n    padding: 22px 24px;\n    background: #FFF7EB;\n    border-left: 4px solid #F0AD46;\n    border-radius: 8px;\n  }\n\n  .ec300-kit-warning h3 {\n    margin-bottom: 8px;\n    font-size: 18px;\n  }\n\n  .ec300-kit-warning p {\n    margin-bottom: 8px;\n    color: #484540;\n    font-size: 14px;\n  }\n\n  .ec300-kit-warning p:last-child {\n    margin-bottom: 0;\n  }\n\n  \/* Support *\/\n  .ec300-kit-support {\n    text-align: center;\n    padding: 32px 25px;\n    background: #FAFAFA;\n    border-radius: 14px;\n    margin-top: 32px;\n  }\n\n  .ec300-kit-support h3 {\n    margin-bottom: 8px;\n  }\n\n  .ec300-kit-support p {\n    margin-bottom: 14px;\n    color: #706C66;\n    font-size: 14px;\n  }\n\n  .ec300-kit-email {\n    font-weight: 600;\n    color: #201F1C !important;\n    text-decoration: underline;\n  }\n\n  @media (max-width: 749px) {\n    .ec300-kit-page {\n      padding: 20px 15px;\n    }\n\n    .ec300-kit-hero {\n      padding: 32px 18px;\n      margin-bottom: 25px;\n    }\n\n    .ec300-kit-hero h2 {\n      font-size: 24px;\n    }\n\n    .ec300-kit-section {\n      padding: 25px 0;\n    }\n\n    .ec300-kit-grid {\n      grid-template-columns: 1fr;\n    }\n\n    .ec300-kit-actions {\n      flex-direction: column;\n    }\n\n    .ec300-kit-btn {\n      width: 100%;\n      text-align: center;\n    }\n  }\n\u003c\/style\u003e\n\n\n\u003cdiv class=\"ec300-kit-page\"\u003e\n\n  \u003c!-- Hero --\u003e\n  \u003cdiv class=\"ec300-kit-hero\"\u003e\n    \u003cspan class=\"ec300-kit-eyebrow\"\u003eEC300 Replacement Accessory\u003c\/span\u003e\n\n    \u003ch2\u003eEC300 Replacement Screw \u0026amp; Hardware Kit\u003c\/h2\u003e\n\n    \u003cp\u003e\n      A complete replacement hardware set designed for the ProtoArc EC300 Ergonomic Office Chair,\n      including the essential screws and T-handle Allen wrench used for chair assembly and hardware replacement.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n\n  \u003c!-- What's Included --\u003e\n  \u003cdiv class=\"ec300-kit-section\"\u003e\n\n    \u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\n    \u003cp\u003e\n      The kit includes the replacement screws required for the main EC300 chair components.\n    \u003c\/p\u003e\n\n    \u003cdiv class=\"ec300-kit-grid\"\u003e\n\n      \u003cdiv class=\"ec300-kit-item\"\u003e\n        \u003cstrong\u003eG1 Five-Star Base Screws\u003c\/strong\u003e\n        \u003cspan\u003eM8×16 · 5PCS\u003c\/span\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"ec300-kit-item\"\u003e\n        \u003cstrong\u003eG2-Long Armrest Screws\u003c\/strong\u003e\n        \u003cspan\u003e1\/4×60 · 2PCS\u003c\/span\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"ec300-kit-item\"\u003e\n        \u003cstrong\u003eG2-Short Armrest Screws\u003c\/strong\u003e\n        \u003cspan\u003e1\/4×50 · 4PCS\u003c\/span\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"ec300-kit-item\"\u003e\n        \u003cstrong\u003eG3 Tilt Mechanism Screws\u003c\/strong\u003e\n        \u003cspan\u003eM8×35 · 4PCS\u003c\/span\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"ec300-kit-item\"\u003e\n        \u003cstrong\u003eG4 Lumbar Support Screws\u003c\/strong\u003e\n        \u003cspan\u003eST6×20 · 3PCS\u003c\/span\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"ec300-kit-item\"\u003e\n        \u003cstrong\u003eG5 Backrest Screws\u003c\/strong\u003e\n        \u003cspan\u003eM8×20 · 3PCS\u003c\/span\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"ec300-kit-item\"\u003e\n        \u003cstrong\u003eG6 Headrest Screws\u003c\/strong\u003e\n        \u003cspan\u003eM5×16 · 2PCS\u003c\/span\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"ec300-kit-item\"\u003e\n        \u003cstrong\u003eT-Handle Allen Wrench\u003c\/strong\u003e\n        \u003cspan\u003e1PC\u003c\/span\u003e\n      \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ec300-kit-total\"\u003e\n      \u003cstrong\u003ePackage Contents:\u003c\/strong\u003e 23 Replacement Screws + 1 T-Handle Allen Wrench\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\n\n  \u003c!-- Compatibility --\u003e\n  \u003cdiv class=\"ec300-kit-section\"\u003e\n\n    \u003ch3\u003eCompatibility\u003c\/h3\u003e\n\n    \u003cdiv class=\"ec300-kit-compatibility\"\u003e\n\n      \u003cp\u003e\n        This replacement hardware kit is designed specifically for the\n        \u003cstrong\u003eProtoArc EC300 Ergonomic Office Chair\u003c\/strong\u003e.\n      \u003c\/p\u003e\n\n      \u003cp\u003e\n        Please confirm that your chair model is EC300 before placing your order.\n        Compatibility with other ProtoArc models or third-party chairs is not guaranteed.\n      \u003c\/p\u003e\n\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ec300-kit-actions\"\u003e\n\n      \u003ca href=\"https:\/\/www.protoarc.com\/products\/ec300-ergonomic-office-chair\" target=\"_blank\" rel=\"noopener noreferrer\" class=\"ec300-kit-btn ec300-kit-btn-primary\"\u003e\n        View EC300 Chair\n      \u003c\/a\u003e\n\n      \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0551\/3972\/9497\/files\/EC300_User_Manual_-_EN.pdf?v=1775787222\u0026amp;ref=hb\u0026amp;sub_id=undefined\" target=\"_blank\" rel=\"noopener noreferrer\" class=\"ec300-kit-btn ec300-kit-btn-secondary\"\u003e\n        View EC300 User Manual\n      \u003c\/a\u003e\n\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\n\n  \u003c!-- Before You Order --\u003e\n  \u003cdiv class=\"ec300-kit-section\"\u003e\n\n    \u003ch3\u003eBefore You Order\u003c\/h3\u003e\n\n    \u003cul class=\"ec300-kit-checklist\"\u003e\n      \u003cli\u003ePlease confirm that your chair model is EC300 before purchasing.\u003c\/li\u003e\n\n      \u003cli\u003e\n        Check the EC300 User Manual to identify the screw type and installation location you need.\n      \u003c\/li\u003e\n\n      \u003cli\u003e\n        This listing includes replacement screws and the T-handle Allen wrench only.\n        Other chair components are not included.\n      \u003c\/li\u003e\n\n      \u003cli\u003e\n        If you are unsure whether this hardware kit is suitable for your chair,\n        please contact ProtoArc Customer Support before placing your order.\n      \u003c\/li\u003e\n    \u003c\/ul\u003e\n\n  \u003c\/div\u003e\n\n\n  \u003c!-- Final Sale --\u003e\n  \u003cdiv class=\"ec300-kit-section\"\u003e\n\n    \u003cdiv class=\"ec300-kit-warning\"\u003e\n\n      \u003ch3\u003eFinal Sale Notice\u003c\/h3\u003e\n\n      \u003cp\u003e\n        \u003cstrong\u003eThis replacement hardware kit is a final-sale accessory and is not eligible for returns or exchanges, except where required by applicable law.\u003c\/strong\u003e\n      \u003c\/p\u003e\n\n      \u003cp\u003e\n        Please carefully confirm your chair model and the replacement hardware you need before purchasing.\n      \u003c\/p\u003e\n\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\n\n  \u003c!-- Support --\u003e\n  \u003cdiv class=\"ec300-kit-support\"\u003e\n\n    \u003ch3\u003eNeed Help?\u003c\/h3\u003e\n\n    \u003cp\u003e\n      Questions about compatibility, missing hardware, installation, or replacement parts?\n      Our support team is here to help.\n    \u003c\/p\u003e\n\n    \u003ca href=\"mailto:support@protoarc.com\" class=\"ec300-kit-email\"\u003e\n      support@protoarc.com\n    \u003c\/a\u003e\n\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"ProtoArc","offers":[{"title":"Default Title","offer_id":44536513298521,"sku":"PJ000020","price":17.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0551\/3972\/9497\/files\/6a0f48436f03bf48e8c7f28f9f150b4c_8fe1cf81-f616-42dd-9597-f58e7151c776.png?v=1787019497","url":"https:\/\/www.protoarc.com\/de-de\/products\/ec300-replacement-screw-hardware-kit","provider":"ProtoArc","version":"1.0","type":"link"}