{"product_id":"kato-20-025-n-scale-124mm-4-7-8-concrete-slab-double-track-straight-2pcs","title":"KATO 20-025 N Scale Unitrack 124mm (4-7\/8\") Concrete Slab Double Track - 2-Pack","description":"\u003cp\u003eThe \u003cstrong\u003eKATO 20-025\u003c\/strong\u003e is a 2-pack of N Unitrack \u003cstrong\u003edouble slab\u003c\/strong\u003e 124 mm (4-7\/8′′) sections — ballastless slab double-track at half-length, for filling 33 mm-centre Shinkansen \/ high-speed mainline plans.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSlab track vs ballasted track:\u003c\/strong\u003e Slab track is the ballastless concrete-pad construction used on modern high-speed mainlines (Shinkansen, ICE, TGV-LGV, recent North American rebuilds). KATO's slab Unitrack reproduces the smooth grey concrete pad with embedded rails — perfect for modelling Japanese commuter lines, Shinkansen, or any modern high-speed corridor.\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 124 mm \/ 4-7\/8′′ — 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\u003eSurface:\u003c\/strong\u003e Concrete slab (ballastless, grey)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBallasted variant:\u003c\/strong\u003e #20-023 (same length, concrete ties)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 20-025\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KATO","offers":[{"title":"Default Title","offer_id":45099219124406,"sku":"381-20025","price":14.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/57_59e7997f-3014-4b76-9988-f9bbcd7ff677.jpg?v=1779569825","url":"https:\/\/oakvillemodeltrains.com\/products\/kato-20-025-n-scale-124mm-4-7-8-concrete-slab-double-track-straight-2pcs","provider":"Oakville Model Trains Depot","version":"1.0","type":"link"}