Sharper Gear Grinder - (2.2")(55mm) 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. Gear Grinder 2 piece Zinc 2.2" (55mm) Qty available: 137 SKU: Spr-Gear-55-87 Tweet