A coupler allows you to quickly change the decorating tip on your piping bag without having to empty your piping bag.
Set of 3: coupler base, medium coupler ring, and large coupler ring
The 7/8" coupler ring accommodates 3/16", 1/4", and 5/16" pastry tubes, as well as Ateco's 231 large bismark tube. In addition, the 1" coupler ring accommodates 3/8", 7/16", and 1/2" pastry tubes. Plus, ridged edges on the ring allow you to easily assemble the coupler to the base with minimal effort. Ideal for bakeries, cake decorators, coffee shops, and anywhere else you need to decorate baked goods.