Features:

• 15 Various Sizes: Comes with variety size including 6mm 8mm 10mm 12mm 14mm 16mm 18mm 20mm 25mm 26mm 28mm 30mm 40mm and 50mm which meet your different needs.

• Extreme Hard: These diamond drill bits are made of electroplated emery with nickel-plated coated body which can resist corrosion and provide the strength for drilling holes.

• Long Lifespan: With the polished surface design it can decrease the incision resistance and drill pressure also increase the sharpness so that it can prolong its service life.

• Clearance Hole Design: These diamond drill bits designed with the clearance hole to help the entrance of cool water and escape of chips and other particles from drilling.

• Wide Application: You can drill holes on glass tile porcelainbrick marble and stone with these 15pcs drill bits.

Note:
Always use lubrication(water) when drill glassbrickceramic and marbleotherwise the diamond core drill will burn.
When drilling a wallif you encounter steel barschange the direction and drill again
If you want to use with an electric drill(not included)it s better to choose over 21V to ensure enough power.
Wide Applications:Fit for GlassBrickCeramic TileMarble etc.

Specifications:

• Product Type: 15Pcs Diamond Drill Bits
• Product Material: Diamond Drill Bits
• Material: Electroplated Emery
• Quantity: 15Pcs
• Item Diameter: 6mm 8mm 10mm 12mm 14mm 16mm 18mm 20mm 22mm 25mm 26mm 28mm 30mm 40mm 50mm
• Item Length: 4.9cm/1.93in (15Pcs are the same length)
• Item Weight: 309g/0.68lbs (Total)
• Wide Applications: Fit for Glass Brick Ceramic Tile Marble etc.
• Package Size: 16x11.5x5cm/6.3x4.53x1.97in
• Package Weight: 310g/0.69lbs

Package Lists:

• 1x 15Pcs Diamond Drill Bits
• 1x User Manual

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