High quality: It is strong and sturdy, and tucks on the drip tray of your espresso machine for space-saving storageCompact size: Can be stored on the espresso machine's drip tray (under the group head), unique height reduces clutter on the kitchen bench top.Bar: Shock absorbing design with a non-slip base, preventing shifting during using.Function: The item helps prevents coffee grounds from splashing all around.Wide application: Used in coffee shop, restaurant, bar and more.Colour:Gray-greenMaterial:plasticPackage Contents:1 x knock box1 x percussion rodOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.