Designed to quickly expel espresso pucks after pulling a shot, knock boxes feature a horizontal bar for banging – knocking – to release the dense, hot grounds. Ours is generously sized to save trips to the green bin or garden. It's made of fingerprint-resistant brushed stainless steel with a silicone bar and comes with a tight-fitting plastic lid.

• Generously sized knock box features a silicone bar to promote easy release of grounds.
• Hand-polished stainless steel.
• Designed exclusively for Williams Sonoma.