Sharper Aluminum 2 Piece Grinder - 2.5" (63mm) Grinder by BDD Wholesale 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 Grinder Aluminum 2 piece 2.5" (63mm) Qty available: 21 SKU: Spr-Alum-63-163 Tweet