Green Monkey Grinder HQ (1.5")(38mm) BDD Wholesale - BDD Wholesale Sale! Login to view price. Size Single Box of 6 (Save $6) This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Green Monkey brand 4 piece HQ 1.5" (40mm) Qty available: 8 SKU: GM-HQ-40-157-BoxOf Tweet