Kato N 20050 Unitrack 3"-4-1/4" Expansion Track

Telescoping track section expands from 3" to 4-1/4" 78 to 108mm.
Kato's line of ground level Unitrack offers a variety of pieces and turnouts to allow you to build any layout your heart desires, all while ensuring track quality and steady delivery of electricity to your locomotives. Available both as individual pieces and as track sets, let Kato Unitrack be the first track you put down, and you may never use another track again.
Includes One 3" To 4-1/4" Expansion Track Nickel Silver Rail
Realistic Looking Roadbed
Unijoiners Lock The Track Sections Together Firmly and Evenly