I had always wanted to get something as nice as an actual stainless steel knockbox made specifically to hold used espresso grou...  Read More

I had always wanted to get something as nice as an actual stainless steel knockbox made specifically to hold used espresso grounds, but the name brand ones were always so expensive and the third party knock boxes didn't seem like they had the quality.  Read Less

It has a good quality rubber grip ring on the bottom which keeps it from sliding and absorbs the shock.

It has a good quality rubber grip ring on the bottom which keeps it from sliding and absorbs the shock.  Read Less

To install, unscrew the cap and thread through pot then capped off with the steel nut.

To install, unscrew the cap and thread through pot then capped off with the steel nut.  Read Less

It is so easy to use and gets the job done quickly without a mess, and quite frankly it's really satisfying to smack the portaf...  Read More

It is so easy to use and gets the job done quickly without a mess, and quite frankly it's really satisfying to smack the portafilter against the bar that runs across the top two knock the espresso puck out.  Read Less

You do need to bang the face of the portafilter on the rubber bar versus the handle because the small opening at asymmetric slant design.

You do need to bang the face of the portafilter on the rubber bar versus the handle because the small opening at asymmetric slant design.  Read Less

I use it with my portafilter and it works well.

I use it with my portafilter and it works well.  Read Less