When you’re serious about efficiency, the Kozo Grinder M1- 4″ Aluminum- 4count delivers a grinding experience that ordinary mini grinders simply can’t match. Built from premium-grade aluminium, this heavyweight manual grinder is engineered for those who handle larger quantities, offering a cavernous 4-inch diameter and an expansive grinding surface. Unlike flimsy plastic or sticky small metal grinders, the M1’s robust construction ensures professional-grade durability and a smooth, jam-free operation every time.

Why the Kozo M1 Outperforms Standard Grinders
The M1 isn’t just bigger—it’s smarter. Distinctive finger grips on the lid give you the extra leverage to turn the heavy-duty, diamond-cut teeth, while a powerful neodymium magnet keeps the lid secure. The fine-mesh stainless steel screen efficiently sifts every last particle into the large base chamber, making it a true high-capacity herb grinder Australia enthusiasts trust. Thanks to its smooth-glide rings and anti-friction design, you’ll never struggle with a stuck grinder again.
| Feature | Kozo Grinder M1 | Standard 2″ Grinder |
|---|---|---|
| Diameter | 4 inches | 2 inches |
| Material | Aircraft-grade aluminium | Often plastic or zinc alloy |
| Teeth | Diamond-cut, heavy-duty | Smaller, prone to bending |
| Screen | Fine-mesh stainless steel | Coarse or none |
| Anti-Jam Design | Yes – smooth-glide rings | Frequent jamming |
| Lid Security | Neodymium magnet | Weak magnet or friction fit |
| Kief Collection | Large chamber, fine screen | Minimal collection |
Designed as the ultimate aluminium grinder with kief catcher, the Kozo M1 lets you collect every bit of pollen effortlessly, so nothing goes to waste. Its 4-count configuration means you can grind large batches in one go, saving time and effort. Whether for personal use or sharing, the M1’s generous capacity makes it the champion of manual grinders.
Choose the Kozo Grinder M1 for unmatched performance and add a powerful, high-capacity grinder to your arsenal today.












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