KATO 2-130 Straight Line 6.85 inch 174mm HO Scale

HO Unitrack system. Straight line.
This is a straight line that corresponds to the horizontal length when the reference straight line 246 mm is tilted by 45 °.
It is used when adjusting the dimensions when making a willow wire such as a yard with the electric point No. 4, or when making a double track section 120 mm with the large electric point No. 6.

HO Unitrack consists of points and their auxiliary tracks, dimension adjustment tracks, curved tracks with eight radii, and bollard tracks based on a straight track with a length of 246 mm.
You can select and use it as appropriate according to the track plan and the situation of the vehicle to be driven.