This is kind of a standard piece of kit. It's the ideal shape and size for steaming two cappuccinos or one large one. Stainless steel makes it easy to feel the temperature and shape of spout is good for pouring latte art. Judging by eye, you can fill the milk up to the bottom of the spout and aim to double its volume as you steam it to the top, to give you a perfectly stretched and textured micro-foam. Next stop? Latte Art Throwdown!