{"product_id":"bsc-preferred-mk503wh-permanent-marking-stick-12-pack","title":"Bsc Preferred MK503WH Permanent Marking Stick 12 Pack","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe BSC PREFERRED MK503WH is a permanent marking stick engineered for marking on dark, non-porous surfaces in demanding trade and industrial environments. The opaque, white ink is quick-drying and specially formulated to adhere to wet and oily surfaces without smearing or fading. The non-refillable barrel houses a large ink reservoir, making each marker suitable for extended use on jobsite materials including concrete, glass, and metal. HVAC techs, pipefitters, plumbers, and electricians rely on markers like the MK503WH for labeling conduit, pipe, equipment housings, and structural components where standard markers fail.\u003c\/p\u003e\u003cp\u003eThe MK503WH is suited for use on non-porous surfaces commonly found in residential and commercial construction and maintenance settings. Its waterproof, smearproof formulation holds up in outdoor conditions and in environments where surfaces may be damp or coated with oils and lubricants. This product is sold as a case of 12 markers, making it a practical bulk option for supply rooms, service vans, and jobsite kits. It is noted as equivalent to part number H-763W.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eOpaque white ink provides high visibility on dark surfaces\u003c\/li\u003e\n\u003cli\u003eQuick-drying ink formulated to mark on wet and oily surfaces\u003c\/li\u003e\n\u003cli\u003eWaterproof, smearproof, and fade-resistant for lasting marks\u003c\/li\u003e\n\u003cli\u003eNon-refillable barrel with a large ink supply for extended use\u003c\/li\u003e\n\u003cli\u003eMarks non-porous surfaces including concrete, glass, and metal\u003c\/li\u003e\n\u003cli\u003eSold as a case of 12 for bulk stocking convenience\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a direct equivalent to part number H-763W. Suitable for marking concrete, glass, metal, and other non-porous surfaces in trade and industrial applications.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eNo installation required. Store markers horizontally or tip-down when not in use to maintain ink flow. Keep caps secured when not in use to prevent drying. Dispose of used markers in accordance with local regulations for solvent-based markers.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInk Color\u003c\/strong\u003e: White (Opaque)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInk Type\u003c\/strong\u003e: Permanent, Waterproof, Smearproof\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurface Compatibility\u003c\/strong\u003e: Concrete, Glass, Metal and other non-porous surfaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity per Case\u003c\/strong\u003e: 12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Weight\u003c\/strong\u003e: 0.82 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Dimensions\u003c\/strong\u003e: 3.25 inches x 6.25 inches x 2.5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHazardous Material\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquivalent Part Number\u003c\/strong\u003e: H-763W\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: BSC PREFERRED\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: MK503WH\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BSC PREFERRED","offers":[{"title":"Default Title","offer_id":51775516246322,"sku":"MK503WH","price":142.29,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/3282c2bd0c0b13d06aa205062fabfe39.jpg?v=1789167344","url":"https:\/\/voomisupply.com\/products\/bsc-preferred-mk503wh-permanent-marking-stick-12-pack","provider":"Voomi Supply","version":"1.0","type":"link"}