?Not Cheap Quality? made of carbide metal (German Material) and titanium coated, higher hardness and longer life
?Unique Design?U groove drill bit design, drilling neat holes, remove chips more smoothly
?Widely Usage?can drill holes on tile, concrete, brick, stone, ceramic, plastic, wood, etc
?Hex Shank?hex shank, which is suitable for most drills
?Attention?Keep the drill bit VERTICALLY when drilling, otherwise the bit will get broken by wrong operation