Here's how Hornby describe it.
TT1002M Hornby TT Gauge 1:120 Scale The Easterner Electric Train Set
TT1002M Hornby TT Gauge (1:120 Scale) The Easterner Train Set
TT1002M Hornby TT Gauge 1:120 Scale The Easterner Electric Train Set - New
Hornby TT Gauge Half Curve, 310mm, 2nd Radius 15°, TT Model Railway Track, Brown, 1:120 Scale, Extra Track Pieces for Model Railway Sets
