{"product_id":"irwin-strait-line-permanent-marking-chalk-midnight-black-6-oz-4935520","title":"Irwin Strait-Line Permanent Marking Chalk, Midnight Black, 6 oz","description":"\u003cstyle\u003e\n.pb-wrap{--pb-line:#e1e3e5;--pb-head:#f6f6f7;max-width:100%}\n.pb-wrap .pb-intro{margin-bottom:20px}\n.pb-acc{border:1px solid var(--pb-line);border-radius:8px;margin:0 0 8px;overflow:hidden}\n.pb-acc\u003esummary{cursor:pointer;padding:14px 16px;font-weight:600;line-height:1.35;\n list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}\n.pb-acc\u003esummary::-webkit-details-marker{display:none}\n.pb-acc\u003esummary::marker{content:\"\"}\n.pb-acc\u003esummary::after{content:\"+\";font-size:22px;font-weight:400;line-height:1;flex:0 0 auto}\n.pb-acc[open]\u003esummary::after{content:\"\\2212\"}\n.pb-acc[open]\u003esummary{border-bottom:1px solid var(--pb-line);background:var(--pb-head)}\n.pb-acc\u003esummary:hover{background:var(--pb-head)}\n.pb-acc .pb-body{padding:16px}\n.pb-acc .pb-body\u003e:first-child{margin-top:0}\n.pb-acc .pb-body\u003e:last-child{margin-bottom:0}\n.pb-q{border:0;border-bottom:1px solid var(--pb-line);border-radius:0;margin:0}\n.pb-q:last-child{border-bottom:0}\n.pb-q\u003esummary{padding:12px 0;font-weight:600}\n.pb-q[open]\u003esummary{background:transparent;border-bottom:0}\n.pb-q\u003esummary:hover{background:transparent;text-decoration:underline}\n.pb-q .pb-body{padding:0 0 12px}\n.pb-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}\n.pb-table{width:100%;border-collapse:collapse;font-size:14px;min-width:380px}\n.pb-table th,.pb-table td{border:1px solid var(--pb-line);padding:8px 10px;\n text-align:left;vertical-align:top}\n.pb-table thead th{background:var(--pb-head)}\n.pb-table caption{caption-side:top;text-align:left;font-weight:600;padding:0 0 8px}\n.pb-note{font-size:13px;opacity:.75;margin-top:16px}\n.pb-wrap a{color:#3b82f6}\n.pb-wrap a:hover{color:#2563eb}\n\u003c\/style\u003e\u003cdiv class=\"pb-wrap\"\u003e\n\u003ch2\u003eIrwin Strait-Line Permanent Marking Chalk, Midnight Black, 6 oz\u003c\/h2\u003e\n\u003cdiv class=\"pb-intro\"\u003e\n\u003cp\u003eIrwin Strait-Line permanent marking chalk in midnight black comes in a 6 oz squeeze bottle for filling a chalk line reel. It leaves a permanent stain, so use it where the line will be covered or won't matter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdetails class=\"pb-acc\"\u003e\u003csummary\u003eFeatures and Common Uses\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\n\u003cul\u003e\n\u003cli\u003ePermanent staining formula\u003c\/li\u003e\n\u003cli\u003eMidnight black\u003c\/li\u003e\n\u003cli\u003eOdourless\u003c\/li\u003e\n\u003cli\u003e6 oz squeeze bottle\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCommonly used for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSnapping layout lines on framing and sheathing\u003c\/li\u003e\n\u003cli\u003eMarking lines that will be covered by finish materials\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pb-acc\"\u003e\u003csummary\u003eSpecifications\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\n\u003cdiv class=\"pb-scroll\"\u003e\u003ctable class=\"pb-table\"\u003e\n\u003ccaption\u003eProduct Specifications\u003c\/caption\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBrand\u003c\/th\u003e\n\u003ctd\u003e['Irwin (Strait-Line)']\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eModel\u003c\/th\u003e\n\u003ctd\u003e4935520\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eModel\u003c\/th\u003e\n\u003ctd\u003e4935520\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eType\u003c\/th\u003e\n\u003ctd\u003ePermanent staining marking chalk\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eColour\u003c\/th\u003e\n\u003ctd\u003eMidnight black\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCapacity\u003c\/th\u003e\n\u003ctd\u003e6 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePackage\u003c\/th\u003e\n\u003ctd\u003eSqueeze bottle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eOdour\u003c\/th\u003e\n\u003ctd\u003eOdourless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"pb-note\"\u003eSpecifications from the Source Atlantic listing for Irwin model 4935520, matched on model number and UPC. Source: \u003ca href=\"https:\/\/www.sourceatlantic.ca\/Product\/4935520\" target=\"_blank\" rel=\"noopener\"\u003eSource Atlantic product listing, Irwin 4935520\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pb-acc\"\u003e\u003csummary\u003eFrequently Asked Questions\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\n\u003cdetails class=\"pb-acc pb-q\"\u003e\u003csummary\u003eWill the line wipe off?\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\u003cp\u003eNo. This is a permanent staining chalk. For a removable line, use a non-permanent chalk.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Product\",\"@id\":\"https:\/\/griffbuildingsupplies.com\/products\/irwin-strait-line-permanent-marking-chalk-midnight-black-6-oz-4935520#product\",\"name\":\"Irwin Strait-Line Permanent Marking Chalk, Midnight Black, 6 oz\",\"url\":\"https:\/\/griffbuildingsupplies.com\/products\/irwin-strait-line-permanent-marking-chalk-midnight-black-6-oz-4935520\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Irwin\"},\"category\":\"Hardware \u003e Tools\",\"description\":\"Irwin Strait-Line permanent staining marking chalk in midnight black, 6 oz squeeze bottle. Model 4935520. New Westminster, BC.\",\"material\":\"Chalk\",\"image\":\"https:\/\/dcngli4g50fhp.cloudfront.net\/userfiles\/ad\/stanleyblackdecker\/large\/irwin_strait_line_4935520.jpg\",\"sku\":\"44935520\",\"mpn\":\"44935520\",\"additionalProperty\":[{\"@type\":\"PropertyValue\",\"name\":\"Brand\",\"value\":\"['Irwin (Strait-Line)']\"},{\"@type\":\"PropertyValue\",\"name\":\"Model\",\"value\":\"4935520\"},{\"@type\":\"PropertyValue\",\"name\":\"Model\",\"value\":\"4935520\"},{\"@type\":\"PropertyValue\",\"name\":\"Type\",\"value\":\"Permanent staining marking chalk\"},{\"@type\":\"PropertyValue\",\"name\":\"Colour\",\"value\":\"Midnight black\"},{\"@type\":\"PropertyValue\",\"name\":\"Capacity\",\"value\":\"6 oz\"},{\"@type\":\"PropertyValue\",\"name\":\"Package\",\"value\":\"Squeeze bottle\"},{\"@type\":\"PropertyValue\",\"name\":\"Odour\",\"value\":\"Odourless\"}]},{\"@type\":\"FAQPage\",\"@id\":\"https:\/\/griffbuildingsupplies.com\/products\/irwin-strait-line-permanent-marking-chalk-midnight-black-6-oz-4935520#faq\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Will the line wipe off?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. This is a permanent staining chalk. For a removable line, use a non-permanent chalk.\"}}]}]}\u003c\/script\u003e","brand":"Irwin","offers":[{"title":"Default Title","offer_id":67818273898815,"sku":"44935520","price":6.97,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/4901\/7919\/files\/C02C113B-A4AB-4307-9A5F-14CCEA79A4C7.jpg?v=1792529266","url":"https:\/\/griffbuildingsupplies.com\/zh\/products\/irwin-strait-line-permanent-marking-chalk-midnight-black-6-oz-4935520","provider":"Griff Building Supplies","version":"1.0","type":"link"}