Calvo Aura 63mm Premium Non Teeth Herb Grinder

Every grinder you’ve owned has had teeth — little pegs that tear through dry herb and, sooner or later, snap off or gum up. The CALVO Aura doesn’t have any. Instead it uses a machined wave profile that folds and separates the herb between two shaped surfaces, so it comes out light and even rather than shredded.

The practical difference is in how it feels. There’s no snagging, no stalling halfway through a twist, and nothing to break. Because there are no teeth to pack out, it stays clean far longer and wipes out in seconds.

It’s a proper 5-part system. A neodymium magnet holds the lid dead still while you turn it. Herb passes into the main chamber, a fine mesh screen sifts the finest particles into the bottom collector, and there’s a separate sealed storage section on top — so you can carry your grind and your supply in one unit instead of two.

At 63mm it’s a full-size grinder, machined from aerospace-grade aluminium so it’s substantial in the hand without being heavy. Every one ships with CALVO’s signature guitar-pick scraper, and the whole thing arrives in the printed AURA tube rather than a poly bag.

Willy Banjo has been a staple of the UK head shop scene since 1994. Over thirty years of knowing which kit lasts and which doesn’t — everything we stock comes direct from authorised UK trade supply.

Why choose the Aura?

✅ Toothless Design: Nothing to snap, clog or wear down

✅ Full 5-Part System: Grind, sift, collect and store in one unit

✅ Neodymium Magnet: Lid stays put while you turn

✅ Aerospace-Grade Aluminium: Machined, not cast

✅ Signature Pick Scraper: Included with every grinder

✅ Presentation Tube: Arrives boxed, ready to gift