Mini size is optimal for storing below maximum coffee machines. The potential is giant sufficient that you just haven't got to empty it too often. Our knock bar made from hard rubber and aluminum, trendy and exquisite appearance, silicone bar are ready to cut the noise when using, removable design makes it clear to clean. Widely used at home, cafe shop, canteen, restaurants, bars and more. Affordable and reliable product for you, it is also a good splendid gift for espresso lovers. For the professional barista as well as domestic prospects of espresso machines it is necessary to apply a secure and strong knock subject for the quick disposal of coffee grounds. size: one hundred fifty x 135mm Material: Aluminum alloy colour: black Package Contents: 1 x slag box Only the above kit content, various item aren't included. Note: Light taking pictures and diversified displays may cause the color of the item in the photo a little bit assorted from the genuine thing. The measurement allowed error is +/- 1-3cm.