Unique Espresso Knock Box Bar An offset knock bar that guides the ground puck into the disposal area, preventing grounds from landing on the knock bar and reducing mess and splatter. ShockAbsorbent Design Rubbercoated knock bar absorbs impact and lowers noise, delivering a quieter knocking experience without sacrificing stability. Construction Made from ABS plastic to withstand daily use and maintain durability over time. Quiet Knock Bar Easily removable for cleaning, yet stays firmly in place during use to keep the workspace quiet and the countertop tidy. Use scenarios Home espresso station: after pulling shots, knock the puck into the disposal area with minimal mess and reduced noise. Small cafe or office break room: multiple users can knock pucks without disturbing customers or coworkers due to the quieter operation. Busy coffee setup: durable ABS construction supports daily use and the removable bar simplifies cleaning at the end of a shift.