{"product_id":"precision-flex-angle-arc-marking-tool-pipe-saddle-cutting-guide-welding","title":"Precision-Flex Angle Arc Marking Tool | Pipe Saddle Guide","description":"\n\u003ch2\u003ePrecision-Flex Angle Arc Marking Tool – All-in-1 Metal Fabrication \u0026amp; Pipe Saddle Cutting Guide\u003c\/h2\u003e\n\n\u003cp\u003eTake the guesswork out of metalworking with the \u003cstrong\u003ePrecision-Flex Angle Arc Marking Tool\u003c\/strong\u003e. Engineered for welders, pipefitters, fabricators, and serious DIY enthusiasts, this stainless steel multi-tool combines precise angle marking, arc scribing, and parallel line drawing into one compact, durable instrument. Whether you're cutting saddle joints on square tube or laying out flat steel for a structural project, this guide delivers repeatable accuracy every single time.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eMade in Mainland China.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAll-in-1 Functionality:\u003c\/strong\u003e Measure, mark, and guide bends — measuring, marking, and arc layout combined in a single tool, streamlining your workflow on every project.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecise 90° Angles \u0026amp; Smooth Arcs:\u003c\/strong\u003e Effortlessly scribe perfect 90-degree angles and smooth arcs on square tubes and flat steel — no templates or guesswork required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePipe Saddle Cutting Guide:\u003c\/strong\u003e Accurately marks saddle cuts for pipe and square-tube intersections, ensuring tight, weld-ready fit-ups the first time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eParallel Line Drawing:\u003c\/strong\u003e Built-in parallel scribing capability speeds up layout tasks on both flat and curved surfaces.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePremium Stainless Steel Construction:\u003c\/strong\u003e Corrosion-resistant stainless steel body withstands the rigors of professional shop and job-site use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTwo Size Options:\u003c\/strong\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eS Type:\u003c\/strong\u003e Fits 20mm–65mm square pipe\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eL Type:\u003c\/strong\u003e Fits 20mm–80mm square pipe\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProfessional \u0026amp; DIY Ready:\u003c\/strong\u003e Ideal for metalworkers, welders, construction professionals, engineers, and home fabricators alike.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAngle \/ Arc Marking \u0026amp; Saddle Cutting Guide\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eS Type Fits\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20mm – 65mm Square Pipe\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eL Type Fits\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20mm – 80mm Square Pipe\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUse Case\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMetalworking, Welding, Construction, Engineering\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStookits\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChoice 1:\u003c\/strong\u003e 1× Precision-Flex Angle Arc Marking Tool\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChoice 2:\u003c\/strong\u003e 1× Precision-Flex Angle Arc Marking Tool + 1× Marking Pen\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePlease Note\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eActual color may vary slightly from images due to lighting conditions.\u003c\/li\u003e\n  \u003cli\u003ePlease allow ±1–3 cm deviation due to manual measurement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/0-100mm-tiny-digital-vernier-caliper-portable-measuring-tool\"\u003e0–100mm Tiny Digital Vernier Caliper | Portable Measuring Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/0-200mm-jewelry-measuring-caliper-bead-stone-gauge-stainless-steel\"\u003e0–200mm Stainless Steel Measuring Caliper – Precision Gauge\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/0-300mm-adjustable-pcb-holder-360-rotation-soldering-stand-clamp\"\u003e0–300mm Adjustable PCB Holder Stand | 360° Rotation Soldering Clamp\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAuthoritative Resource\u003c\/h3\u003e\n\u003cp\u003eFor workplace safety best practices when using hand tools and marking instruments in fabrication environments, refer to the \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOSHA Hand \u0026amp; Power Tools Safety Guidelines\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eQ: What sizes of square pipe does this angle arc marking tool fit?\u003c\/h4\u003e\n\u003cp\u003eA: The tool comes in two size options. The \u003cstrong\u003eS Type\u003c\/strong\u003e fits square pipe ranging from \u003cstrong\u003e20mm to 65mm\u003c\/strong\u003e, and the \u003cstrong\u003eL Type\u003c\/strong\u003e fits square pipe ranging from \u003cstrong\u003e20mm to 80mm\u003c\/strong\u003e. Choose the size that matches your most common pipe dimensions.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can this tool be used for round pipe or only square tube?\u003c\/h4\u003e\n\u003cp\u003eA: This Precision-Flex Angle Arc Marking Tool is specifically designed and sized for \u003cstrong\u003esquare pipe and flat steel\u003c\/strong\u003e. For best results and accurate saddle-cut markings, it is recommended for use with square-section tube stock. It is not intended for round pipe saddle layouts.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is the marking tool suitable for professional welding and fabrication shops?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The tool is crafted from \u003cstrong\u003epremium stainless steel\u003c\/strong\u003e for long-lasting durability and corrosion resistance, making it suitable for both professional fabrication shops and serious DIY metalworkers. It helps produce precise, weld-ready cut lines to ensure tight, clean joint fit-ups every time.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the tool include a marking pen?\u003c\/h4\u003e\n\u003cp\u003eA: It depends on the choice selected. \u003cstrong\u003eChoice 1\u003c\/strong\u003e includes the marking tool only. \u003cstrong\u003eChoice 2\u003c\/strong\u003e includes both the Precision-Flex Angle Arc Marking Tool and a marking pen — ideal if you want a ready-to-use set straight out of the box.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What sizes of square pipe does this angle arc marking tool fit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The tool comes in two size options. The S Type fits square pipe ranging from 20mm to 65mm, and the L Type fits square pipe ranging from 20mm to 80mm. Choose the size that matches your most common pipe dimensions.\"}}, {\"@type\": \"Question\", \"name\": \"Can this tool be used for round pipe or only square tube?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This Precision-Flex Angle Arc Marking Tool is specifically designed and sized for square pipe and flat steel. For best results and accurate saddle-cut markings, it is recommended for use with square-section tube stock. It is not intended for round pipe saddle layouts.\"}}, {\"@type\": \"Question\", \"name\": \"Is the marking tool suitable for professional welding and fabrication shops?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. The tool is crafted from premium stainless steel for long-lasting durability and corrosion resistance, making it suitable for both professional fabrication shops and serious DIY metalworkers. It helps produce precise, weld-ready cut lines to ensure tight, clean joint fit-ups every time.\"}}, {\"@type\": \"Question\", \"name\": \"Does the tool include a marking pen?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It depends on the choice selected. Choice 1 includes the marking tool only. 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