Feature:1. ROBUST AND DURABLE: Coffee grounds bucket is very sturdy and durable and can be mounted to the drip tray of an coffee machine.2. KEEP : Coffee knock box keeps the ground coffee in a shockproof box and keeps the work area .3. ERGONOMIC DESIGN: Coffee ground box is compact and ergonomic for easy ball striking. Removable from your coffee grinder.4. NOISE REDUCTION: The non slip rubber mat at the bottom of the coffee grounds bucket helps reduce noise and won't annoy others.5. APPLICATION SCOPE: Coffee knock bin is suitable for home, cafes, bars and other places where coffee needs to be brewed.Specification:Item Type: Coffee Grounds BucketMaterial: ABSBarrel Size: Approx. 122x120x120mm / 4.8x4.7x4.7inKnockout Bar Size: Approx. 143.5x25x25mm / 5.6x1.0x1.0inGross Weight: Approx. 326g/11.5ozPackage List:1 x Coffee Grounds BucketNote:Please allow some error due to manual measurement.