Mini Zinc Grinder - 1.2" (30mm) Grinders by n/a Sale! Login to view price. Size Single Box of 10 (Save $5) This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Mini 2 piece Zinc 1.2" (30mm) Qty available: 133 SKU: MiniZinc-30-85 Tweet