Cheap And Discounts 160mm Electric Hammer Drill Bits 6/8/10/12/14/16mm Cross Type Tungsten Steel Alloy SDS Plus For Masonry Concrete Rock Stone Wholesale. Buy Directly From Merchant Enjoying-Life Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.