Cheap And Discounts Lathe Tool Sleeve Tungsten Seismic Bore Holder Small Diameter Holder,Cutting Bracket 16*16mm,20*20mm for 4mm/5mm/6mm/7mm/8mm Wholesale. Buy Directly From Merchant Shop1103740693 Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.