5pcs/set 3-10MM Alloy Triangle Drill Set for Glass Tile Ceramic Mirror Porcelain Marble

--Made of high strength cemented carbide. A very easy to use for glass drill.

--The cutting resistance is small, with stable performance, the speed is fast.

--The six angle glass drilling tools are sharp and fast changing. --Using water lubrication will greatly prolong the service life of the drill bit.

--All 1/4 inch six horns are suitable for all kinds of tasks.

--For Tiles, marble, porcelain, mirrors and glass provide smooth and precise drilling.