16pcs Ultimate Hole Maker Drill Bits Set Cutting Tools BZ

Features:1.High quality widened and thickened diamond, strong edges teeth, compared with ordinary glass opener more durable;2.Incision design makes drilling more efficient.Special hole design, nickel plating treatment on the surface, smooth and dramatically reduce resistance, improve slotting/hole efficiency;3.Optimize the design of chip removal tank.Smooth debris removal. The debris after opening is cleaned out from the debris discharge slot, and plays a role of heat dissipation in the process of opening.4.Use of hand electric drill rig, universal handle type.The universal round handle is suitable for hand electric drills and bench drills, and the specifications are complete to meet various requirements of drilling.5.Quality diamond/lightweight design/sharp.

eBay