{"product_id":"spi-30-153-1-flexible-steel-rule-6-inch-4r","title":"Spi 30-153-1 Flexible Steel Rule 6 Inch 4R","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe SPI 30-153-1 is a flexible satin chrome-plated steel rule with a 6-inch overall length and 4R graduation style. It is designed for precise linear measurement in trade, fabrication, and mechanical service applications. The four-sided graduation pattern covers 1\/16, 1\/32, 1\/64, and 1\/8 inch increments, giving technicians multiple reference scales on a single blade. At 0.015 inches thick and 0.5 inches wide, the blade flexes to conform to curved or contoured surfaces without sacrificing readability. Machinists, HVAC technicians, pipefitters, and plumbers reach for this type of rule when checking fitment, layout, or component dimensions on the bench or in the field.\u003c\/p\u003e\u003cp\u003eThis rule is suited for layout and inspection tasks in residential and commercial mechanical trades. The flexible blade is particularly useful when measuring across curved pipe flanges, duct edges, motor shafts, or other non-flat surfaces. The satin chrome finish reduces glare under shop lighting and improves graduation contrast, making it practical in low-light service environments. It ships individually and is compact enough for a tool pouch or apron pocket.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eFlexible blade conforms to curved and contoured surfaces\u003c\/li\u003e\n\u003cli\u003e4R graduation style with four scales: 1\/16, 1\/32, 1\/64, and 1\/8 inch\u003c\/li\u003e\n\u003cli\u003eSatin chrome finish reduces glare and improves scale readability\u003c\/li\u003e\n\u003cli\u003eThin 0.015-inch blade profile fits into tight clearances\u003c\/li\u003e\n\u003cli\u003eCompact 6-inch length suitable for close-quarter measurement tasks\u003c\/li\u003e\n\u003cli\u003eNo hook, no magnet — straightforward blade-only design\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eGeneral-purpose flexible steel rule suited for mechanical, HVAC, plumbing, and fabrication measurement applications requiring 4R graduation in a 6-inch format.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eNo installation is required for this measuring tool. Handle the blade carefully to avoid kinking, which can permanently distort the graduation markings. Keep the blade clean and dry to prevent corrosion at the graduation lines. Store flat or coiled loosely to maintain flexibility and accuracy.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 6 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth\u003c\/strong\u003e: 0.5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness\u003c\/strong\u003e: 0.015 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGraduation Style\u003c\/strong\u003e: 4R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGraduation Increments\u003c\/strong\u003e: 1\/16, 1\/32, 1\/64, 1\/8 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexibility\u003c\/strong\u003e: Flexible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: Satin Chrome\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes Hook\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetic\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.2 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 41111604\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: SPI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 30-153-1\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SPIROTHERM","offers":[{"title":"Default Title","offer_id":51698585731378,"sku":"30-153-1","price":75.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/6f59d5f9da7f69ac8dccc026974ae13f.jpg?v=1788365090","url":"https:\/\/voomisupply.com\/products\/spi-30-153-1-flexible-steel-rule-6-inch-4r","provider":"Voomi Supply","version":"1.0","type":"link"}