PECO SL-91 HO Small Radius Right Hand Turnout, Insulfrog, Code 100 Nickel SilverIf 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 using combinations of