Cheap And Discounts 5Pcs 13 13.5 14 14.5 15 15.5 16 mm HSS-CO M35 Cobalt Steel Straight Shank Twist Drill Bits Stainless Steel 13.0 14.0 15.0 16.0 Wholesale. Buy Directly From Merchant Tecla&Chiara Store . Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.