Sharper Tier Grinder - 2.0" (50mm) 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. Sharper Tier Grinder 4 piece 2.0" (50mm) Qty available: 148 SKU: SprTier-50-138 Tweet