4.5 Level 4 Track Helix for KATO 20-181 & 20-185PROSES Helix for KATO Unitrack 20 181 & 20 185, 4. 5 Levels Optimize your layout with the PROSES Modular Helix V3, designed specifically for KATO Unitrack 20 181 & 20 185 curved tracks. This quadruple track, 4. 5 level helix provides a compact, efficient, and reliable solution for gaining elevation while maintaining smooth train operation. With four parallel radii and a practical footprint, it is ideal for larger layouts where multiple tracks need to
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