【20g Bean Capacity】The 20g bean hopper holds enough for multiple servings, while the transparent glass collection cup with measurement markings lets you see exactly how much coffee you've ground – perfect for precise brewing ratios 【Wall Mount Design】This manual coffee grinder mounts securely on the wall, freeing up valuable counter space while adding rustic vintage charm to your kitchen – the solid wall plate ensures stable operation during grinding without occupying workspace 【Cast Iron Burr Mechanism】Featuring a durable cast iron conical burr grinding core, this hand coffee mill delivers consistent, uniform grounds for optimal flavor extraction 【Versatile Home Decor】This wall-mounted grinder combines retro aesthetics with practical functionality in a fully functional grinding tool - ideal for home kitchens, cafes and coffee shops 【Any Brewing Method】Easily adjust the grinding mechanism to achieve everything from coarse grounds for French press to fine powder for espresso – giving you full control over your coffee extraction profile