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The Winco CDTC-2 is a 2-piece plastic coupler set engineered for professional cake decorating and pastry work. The set includes one small and one large coupler, enabling decorators to swap piping tips quickly without replacing the entire bag. Constructed from durable white plastic, these couplers are well-suited for repeated use in high-volume bakeries, icing stations, and dessert prep environments. The two included sizes cover a broad range of standard decorating tube compatibility, making this set a reliable staple for any pastry station.