This pack will make a semi-circle of track.PECO Setrack N Gauge Code 80 - Unit trackage SystemThe high quality rigid unit trackage system suitable for all popular brands of N gauge model trains.Being fully compatible with both Code 80 and Code 55 PECO Streamline, it need never be discarded as your layout develops.The solid nickel silver rails are integrally moulded into the sleeper bases for maximum realism and strength. Turnouts are fitted with an over-centre spring for immediate use, no extra levers necessary.Technical Specification:Frog Angle: 22.5 DegreesRadius: 333.4mmRecommended to be used with:SL-350 Track Ballast Inlay RollSL-14 Track Fixing Pins: Chemically blackened mild steel for unobtrusively pinning down trackworkIN-1 PECO N Setrack PlanbookThis pack will make a semi-circle of track.Frog Angle: 22.5 Degrees Radius: 333.4mmRef.: ST-3018 - Also listed as ST3018