10PCS Diamond Tipped Drill Bit Set,Multi-Material Twist Drill Bits,0.8/1.0/1.2/1.5/1.8/2.0/2.5/3.0/3.5/4.0mm,for Glass Tile Stone gems

• MATERIAL :Those Twist Drill Bits are made of diamond materials. high hardness, durable in use.
• FEATURE :Drill bit set, high strength, corrosion resistance and oxidation resistance.
• GOOD HELPER AT WORK :Diamond Tipped Drill Bit Set is easy to install and disassemble, which can well improve your work performance.
• USE RANGE :It is widely used in metals, agates, gems, pearls, pendants and pebbles.
• TIPPED DRILL BIT :Tipped drill bit, can be uses with the drills, simple to use.

Properties: Diamond-tipped drill bit set Twist drill 10pcs/set Size: 0.8/1.0/1.2/1.5/1.8/2.0/2.5/3.0/3.5/4.0 mm Application: jade, metal, agate, jade, precious stones, pearls, pendants, cobblestones Package includes: 1 x 10pcs/set Diamond Tip Drill Bit Set Twist Drill Note: Different material hardness, the effect is different The color of the package in a random order