Tools Coupler PreviousMixing bowl NextPiping bag 1 roll (100p) Coupler Coupler $1.80 Quantity: Add To Cart Facebook0 Twitter Tumblr It is a tool that connects the Tip and Pipingbagtop diameter - 0.55 in (1.4cm)bottom diameter - 0.94 in (2.4cm)height - 1.18 in (3cm)