Experience precision that lasts with the Irwin Marathon 3 in. Bi-Metal U-Shank Jig Saw Blade, a smart 2-pack built for demanding cuts and dependable performance. Designed to tackle tough materials while preserving the integrity of your work, these blades are a reliable companion for any serious project.
Why this blade stands out
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Bi-metal construction: A robust combination of high-strength cutting teeth and a durable backing withstands heat and heavy use, delivering longer blade life and consistent performance when you push through tougher materials.
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3" length: A compact blade profile ideal for tight spaces, detailed work, and controlled contouring where longer blades struggle to maneuver.
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36 TPI milled tooth design: Precisely engineered teeth that produce clean, smooth cuts with reduced chipping and fraying, helping you achieve finer finishes on your project.
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U-shank compatibility: Fits the most common jigsaws with U-shaped shanks, allowing quick blade changes and secure, stable cutting.
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Value in a two-pack: Ready for multi-task days—keep a spare on hand or pair blades for different materials without downtime.
Ideal use scenarios
- Finishing metal or plastic components with tight curves, edge detailing, or cutouts where precision matters.
- Precise pattern work, signmaking, or hobby projects that require clean edges and minimal tear-out.
- On-site or workshop tasks where quick blade changes reduce downtime and keep your workflow flowing.
What makes it work for you
If you’re a contractor, metalworker, or serious DIY enthusiast, you’ll appreciate the Marathon blade’s blend of durability and finesse. The bi-metal construction and fine 36 TPI teeth are designed to sustain sharpness under repeated passes, while the 3" length gives you the control you need for accurate, burr-free results. When you need dependable blades that don’t compromise on cut quality, this 2-pack from Irwin’s Marathon line is a practical, long-lasting choice.
Included in this pack: two 3" bi-metal jig saw blades with a U-shank design, ready to tackle your next project with confidence.
