3 angled fins for distribution

Works with One cup brewer

5" D x 1" H

Froth from cold to hot milk in about 80 seconds

And finally

I.XXI Knock Box with Nonslip Base, Cream soda syrups 3 angled fins for distributionThis practical little gadget makes clearing out your espresso machine's portafilter a breeze. Just whack your portafilter against the soft knock bar to toss out a used coffee puck into the bowl, for a tidier and easier way to discard grounds. With a space saving compact size, this knock box is ideal for any home coffee bar. More Info Dimensions: 13. 5 cm W x 12. 3 cm H (15 cm W at top) Construction: Steel #45 Soft non slip base and soft knock bar to