Description Universal drill set of tungsten carbide multi-purpose drill bits with patented 4-step profile for quick drill removal. Diamond cut carbide plate with extra sharp blades for rotary drilling in tiles, masonry, metal, wood and plastic. Specifications: drill bit type (categorization): multipurpose drill bit set drill hole diameter: 5mm, 6mm, 8mm Content: 1 set Material (drill): carbide Material suitability: wood, metal, plastic, brick, tile tool holder (drill): straight shank Package includes: multi-purpose drill diameter 5/6/8mm Note: Only use rotating without impact!