Peco Small Radius L/H If you wish to mix wheel standards on your 00/H0 layout, this is the trackage to choose. Code 100 rail allows flange depths up to 1.6mm which means that both vintage and current stock will run happily together. The wide range of turnouts and crossings in this series includes every type, and the geometry of this range has been cleverly designed to make it easy to build convenient, complex and aesthetically pleasing formations. Technical Specification: Length: 185mm Frog Angle: 12 Degrees Radius: 610mm OO gauge track from the world-renowned brand Peco. Hobbies stock a vast range of excellent Peco products for your model railway set. Whether you are a complete beginner or an experienced model maker you find a great selection at Hobbies. OO Gauge.