Peco Uncoupler for Tension Lock type couplings Fits between the rails of straight Setrack units to uncouple tension lock couplings. PECO Setrack 00 Gauge Code 100 - Unit trackage System The high quality rigid unit trackage system suitable for all popular brands of 00 gauge model trains. Being fully compatible with the Code 100 PECO Streamline range, 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. 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.