DURABLE AND STURDY - Made with Heavy duty stainless steel, the knock box is made for hard knocks. It can hold a medium volume of pucks and can be used on top of or recessed into a counter. STURDY BAR - A hard knock bar covered in rubber provides a sturdy surface to knock against while the rubber protects your portafilter. EASY TO USE - A lip around the edge of allows you to sink into a counter top or espresso bar. Keep your counter area clean with this durable stainless steel knock box for dispensing all your spent espresso . WIDELY USED - Widely used , kitchen, cafe shop, canteen, western restaurants, bars and more. Affordable and reliable product . size:17.5x16x15cm Material:stainless steel colour:Silver + Black Package Contents: 1 x Coffee Knock Box Only 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.