PECO have updated the Streamline OO/HO scale Code 100 Small Radius "Y" turnout to conform to the new unifrog format. Produced from brand new tooling this replaced the former Insulfrog and Electrofrog SL-97 and SL-E97: both of these are now discontinued and out of stock. Y Turnouts are really useful track components and maybe modellers do not fully appreciate their value, their main benefit being as great space-savers. By combining the Y with the short crossing you can create a tight radius double junction and using several Ys together allows you to fit more routes in a restricted space. Ideal when building small loco yards and goods sidings.