Attention model train enthusiasts! This Kato Unitrack 20-023 Double Track set is exactly what you need to expand your N gauge layout. You get two pieces of double track concrete straights, each measuring 124mm, perfect for creating parallel running lines or more complex track configurations. Designed for 1:160 scale models with 9mm gauge, these tracks feature a rail profile height of 2.2mm, bed height of 5mm, and total height of 7.3mm with a threshold distance of 5mm. Kato is known for their quality, and this track is no exception - it's reliable, easy to work with, and provides smooth operation for your trains. The concrete tie design gives it that realistic look that serious model railroaders appreciate. Since it comes in a pack of two, you get more flexibility for your layout planning. The package dimensions are 24.0L x 9.0W x 1.5H centimeters and weighs just 10 grams, making it easy to store if you're not ready to use it right away. Whether you're building a new layout or upgrading an existing one, this double track set from Kato delivers the quality and performance you expect from a top brand in model railroading. Your trains will thank you for the smooth ride!