{"product_id":"kato-20-004-n-scale-248mm-9-3-4-dbl-straight-track-concrete-2pcs","title":"KATO 20-004 N Scale Unitrack 248mm (9-3\/4\") Concrete Tie Double Track - 2-Pack","description":"\u003cp\u003eThe \u003cstrong\u003eKATO 20-004\u003c\/strong\u003e is a 2-pack of N Unitrack \u003cstrong\u003edouble track\u003c\/strong\u003e straight sections, each 248 mm (9-3\/4′′) long, with \u003cstrong\u003econcrete ties\u003c\/strong\u003e on grey ballast roadbed — the full-length modern-mainline double-track piece.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDouble track Unitrack:\u003c\/strong\u003e A single roadbed piece carrying two parallel sets of rails at 33 mm prototype centres — the standard Japanese-prototype double-track centerline, also matching modern North American mainline practice. Drop in as one piece; faster and more rigid than two single tracks side-by-side.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKATO N Unitrack system:\u003c\/strong\u003e Code 80 nickel-silver rail molded into a factory-attached ballasted plastic roadbed, with integrated UniJoiners. Unitrack is KATO's flagship N-scale track system established in the 1960s — the dominant N-scale sectional track worldwide, used in everything from a Bullet-Train table-top to mainline club layouts.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eScale:\u003c\/strong\u003e N\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 248 mm \/ 9-3\/4′′ — 2 pieces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCentres:\u003c\/strong\u003e 33 mm prototype double-track\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTies:\u003c\/strong\u003e Concrete (grey ballast)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlab variant:\u003c\/strong\u003e #20-006 (same length, ballastless slab)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 20-004\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KATO","offers":[{"title":"Default Title","offer_id":45099218993334,"sku":"381-20004","price":14.9,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/57_69e62fdc-7c98-4cab-b71e-7690ecf13dc0.jpg?v=1777655976","url":"https:\/\/oakvillemodeltrains.com\/products\/kato-20-004-n-scale-248mm-9-3-4-dbl-straight-track-concrete-2pcs","provider":"Oakville Model Trains Depot","version":"1.0","type":"link"}