Ateco # 807 - Plain Pastry Tip .56'' Opening Diameter- Stainless Steel Perfect for piping meringues, cookie dough, icings and for filling with centre fills eg caramel and other treats. Made of durable, rust-resistant stainless steel Great for decorating cakes, cupcakes, cookies, and other desserts Ideal for creating dollops, wide swirl designs, and filling macaroons or cannolis. Great for decorating cakes, cupcakes, cookies, and more