Seat your grinder on top of this premium quality knock box without the grinder tray, you can then simply sweep away any loose coffee grounds through the ventilation holes and into the drawer with the added benefit that you will never have mouldy coffee pucks again Product features: Material: high grade wrapped stainless steel Colour: silver Dimensions: H: 106 x W: 258 x D: 382mm Weight: 5kg Secure knock bar housing with six fittings each side Knock box feet fitted with plastic rivets, not glue Silicone compound knock bar for silent operation and long life Also available: black Also available: replacement silicone knock bar, replacement stainless steel knock bar with rubber sleeve