Menu Home About Us Shipping Returns Contact Us View Feedback Add to Favourites Hornby R643 5 x Half Curved 00 Gauge Track 2nd Radius 438mm 00 Gauge Nickel/Silver Main Description Hornby R643 5 x Half Curved 00 Gauge Track 2nd Radius 438mm 00 Gauge Nickel/Silver HORNBY R643 - 5 x (32 TO A CIRCLE) HALF CURVED TRACK - 2nd RADIUS CURVE 11.25deg 438mm (17 1/4") Radius