【Manila Delivery】7PCS Ultimate Drill Bits Multi-Material Triangle Drill Bit Diamond Set for Tile Concrete Brick Glass Plastic Wood Stone 3-12mm

1.100% High quality and Brand new.2.Product Name: Multi-functional Triangle glass Drill3.Diameter: 3mm,4mm,5mm,6mm,8mm,10mm,12mm4.This bit for the Hard Brittle Ceramic Materials such as ceramics,tiles,Marble,Concrete, glass, alu, metal sheet and so on5.Alloy head material with stronger hardness, low resistance, high hardness, improving work efficiency.6.Triangular handle design makes the clamping more tight and does not slip.7.U-shaped spiral grooves is smooth and flat, and the drilling is smoother.8.Strong toughness and wear resistance, can be installed in the hand drill,electric drill,bench drill.9.Wide Application: Provides smooth and accurate drilling in ceramic tile, glass, brick wall, wood, etc.