Peco ST-256 Setrack Foam Underlay for Left Hand 2nd Radius Turnout (2) - OO Gauge
No. 2 Radius L/H. Moulded Foam Ballast Inlay in a realistic brown colour. Supplied in flexible rolls for track (fits both straights and curves) and units to fit under turnouts and crossings. Not only does the inlay add extra realism to your layout but it also helps quieter and smooth running.