Check the listing for details. Kato HO Scale UniTrack Code 83 Concrete Tie 246mm Straight 9 3/4" (4 Pcs) 2-152. Condition: New. Listed at 12.62 USD. Iron Planet Hobbies Kato HO Scale UniTrack Code 83 Concrete Tie 246mm Straight 9 3/4" (4 Pcs) 2-152 UNITRACK can be used in nearly any layout situation – large or small, permanent or temporary. UNITRACK can be the answer for the beginner looking for a trouble-free introduction into model railroading without the frustration and disappointment of rail and electrical problems. UNITRACK also meets the needs of advanced hobbyists, providing superior quality to an entire layout or the flexible solution to the ever-changing “staging yard.” All of the concrete tie double track pieces are 100% compatible with our regular double and single Unitrack pieces and bridges and can be added into your existing Unitrack layouts. – Code 80 Nickel Silver Rail– Unijoiners Lock The Track Sections Together Firmly and Evenly We are an authorized Kato dealer.Thanks For Looking!