Kato Unitrack (R670-22.5) Curved Track 22.5 Degree 4pcs HO Gauge 2-230 Kato Unitrack (R670-22.5) Curved Track 22.5 Degree 4pcs HO Gauge 2-230 2-230 (HO) Curved track R670-22.5 A new standard-standard curve line: R670-22.5 °, which is an intermediate double line (60 mm distance) between R610 and R730, has appeared in the KATO (HO) unitrack line system, which has gained popularity as the definitive version of trackbed line systems. The lineup has been enhanced. This completes a six multitrack system from minimum radius R 490 to maximum radius R 790. (HO) Unitrack is easier to use and layout planning is broadened. Main features A new “standard-standard curve line: R670-22.5 °” of R610 and R730's intermediate double line (60 mm distance) appeared in the KATO (HO) uni-track line syk The track H0-track system with a gray-speckled track bed body (fine grain) is exactly to scale, extremely stable and ideal for all track H0-models suitable. With this track, not only model railway enthusiasts are approached, who operate large-scale systems, but all who look forward to their railways after work or at the weekend and are grateful for an effortless installation and dismantling. Shape stability as well as secure and particularly sturdy plug connections are so natural with the H0 track.