Knock Box

Knock Box

A knockbox  is a device used to store spent espresso grounds, called a puck, after a shot of espresso has been pulled. It is generally made out of stainless steel or plastic, and has a sturdy bar known as a "bash bar", against which a portafilter is tapped to release the puck. Because the espresso puck is typically very hot after extraction, knockboxes need to be sturdy. Further, they are also subject to repetitive knocking and tapping to dislodge espresso after use, and thus rubber and stainless steel are the most commonly used materials.

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Motta Stainless Steel Knock Box Diameter: 16.5 cm

Very heavy, thick rubber pad on the bottom to absorb shock, high quality 18/10 stainless,


Isomac Knock Box Inox

Drawer made of stainless steel, suitable to place under Viper Giada and Supes Giada,alternatively st..