Hornby, (R.607 x8) & (R.600 x2), to make circle or oval, very good used condition.
Hornby Oval Track Layout - 2nd Radius - R607(x8) & R600(X2) - New
HORNBY R607 00 Gauge nickel silver curved track x8
Hornby R607 OO Gauge 2nd Radius Double Curve Track - Extra Pieces for Model Railway Sets, Model Train Track Pieces - Scale 1:76
Peco - ST-226 (Hornby R607) Double Curved Setrack 2nd Radius "00" Gauge - RM48Po