Electrofrog Medium Radius Left Hand PointMedium Radius Turnout.Left Hand ElectrofrogNominal radius:610mmAngle: 12 degreesLength: 185mm.16.5mm gauge track in 7mm scale gives an equivalent prototype of 2ft 4 ins, making it a popular choice for modellers, this scale is also known as 0n30 in the USA because this results in a prototype gauge close to 30ins. many modellers find that this scale/gauge allows an ideal combination of scale detail in a relatively small space. For more details on Electrofrog turnouts, see our Wiring the Layout publications Nos 4 and 21.Recommended to be used with:SL-10 Conducting Rail Joiners: Nickel Silver for PECO Code 100 trackSL-11 Insulated Rail Joiners for PECO Code 100 trackSL-14 Track Fixing Pins: Chemically blackened mild steel for unobtrusively pinning down trackworkO-16.5 is also known by many other names: On30 in the USA, Oe in mainland Europe, and now NG7Ref.: SL-E596 - Also listed as SLE596