{"product_id":"irwin-marathon-3-in-bi-metal-u-shank-jig-saw-blade-36-tpi-2-pk","title":"Irwin Marathon 3 in. Bi-Metal U-Shank Jig Saw Blade 36 TPI 2 pk","description":"\u003cdiv\u003e\n\u003cp\u003eExperience 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.\u003c\/p\u003e \u003ch3\u003eWhy this blade stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBi-metal construction\u003c\/strong\u003e: 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.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3\" length\u003c\/strong\u003e: A compact blade profile ideal for tight spaces, detailed work, and controlled contouring where longer blades struggle to maneuver.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e36 TPI milled tooth design\u003c\/strong\u003e: Precisely engineered teeth that produce clean, smooth cuts with reduced chipping and fraying, helping you achieve finer finishes on your project.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eU-shank compatibility\u003c\/strong\u003e: Fits the most common jigsaws with U-shaped shanks, allowing quick blade changes and secure, stable cutting.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eValue in a two-pack\u003c\/strong\u003e: Ready for multi-task days—keep a spare on hand or pair blades for different materials without downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eFinishing metal or plastic components with tight curves, edge detailing, or cutouts where precision matters.\u003c\/li\u003e \u003cli\u003ePrecise pattern work, signmaking, or hobby projects that require clean edges and minimal tear-out.\u003c\/li\u003e \u003cli\u003eOn-site or workshop tasks where quick blade changes reduce downtime and keep your workflow flowing.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat makes it work for you\u003c\/h3\u003e\n\u003cp\u003eIf 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.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIncluded in this pack:\u003c\/strong\u003e two 3\" bi-metal jig saw blades with a U-shank design, ready to tackle your next project with confidence.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Irwin","offers":[{"title":"Default Title","offer_id":52181683437842,"sku":"2632958","price":6.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/2632958_A.eps_High.jpg?v=1775679250","url":"https:\/\/nationalhardwaregroup.com\/products\/irwin-marathon-3-in-bi-metal-u-shank-jig-saw-blade-36-tpi-2-pk","provider":"National Hardware Group","version":"1.0","type":"link"}