Any professional barista will tell you that used coffee grounds are messy. That's why it's important to get every last bit out of your portafilter. And that's exactly what this high quality knocking drawer is great for.Incredibly strong and durable, the drawer is a fantastic place to knock spent grounds into. With a built-in drawer mechanism, the unit is compact and convenient to use and features a solid knocking bar designed for everyday use.It's easy to clean too, thanks to the solid stainless steel construction. And as the drawer section is removable, it's simple to quickly empty spent grounds into a recycling/compost station or bin.