Rhino Stainless Steel Knock Box The stylish, yet durable stainless steel construction of the Rhino Coffee Gear Professional Knock Box makes it a great addition to any home or commercial setup. The thick, non-slip silicone base ensures the box will stay in place while protecting your benchtop. Features: Durable stainless steel construction Non-slip silicone base Generous holding capacity Dishwasher safe Specifications: Dimensions: 170mm (W) x 170mm (L) x 165mm (H)