Feature: *100% brand new and high quality.  *Made of high quality material, durable and practical to use.  *The alloy head material has higher hardness.  *The triangular handle design is more non-slip, the drill bit is firmly and stably fixed in the electric drill, and the operation is more stable.  *The drill body is finely ground and the large slot design is conducive to chip removal and does not damage the tile wall.  *High-quality tungsten carbide drill bit kit, which can prevent the drill bit from cracking, and has a longer service life, strong and durable.  *Efficient design: grooves design, better removal of drill chips, no folding, no tremor, low cut resistance, fast drilling speed, and easy chip removal.  *Applicable models: It can be installed on electric drills, electric hammers and bench drills.  *Usage: Widely used for openings on wood, steel, iron, glass, red brick, ceramic tiles, concrete, etc.     Specification *Material:Carbide;  *Color:as shown;  *Drill diameter:6mm/8mm/10mm/12mm (approximately);  *Maximum depth:70mm (approximately);  *Size:as shown;  *Quantity:4/5/5/5/5;     Package included Type A: 4 *Triangular drill bit (6mm/8mm/10mm/12mm);  Type B: 5*Triangular drill bit 6mm;  Type C: 5*Triangular drill bit 8mm;  Type D: 5*Triangular drill bit 10mm;  Type E:  5*Triangular drill bit 12mm