Details: *100% brand new and high quality *Made of high quality material, durable and practical to use *Strong toughness and wear resistance, can be installed in electric drills. *The design of triangle shank makes the clamping tighter and does not slip. *U-shaped spiral is smooth and flat, and the drilling is smoother, for better drilling dust extraction *Sharp edges - for multi-purpose drlling on drywall, bricks, tiles, wood, aluminum and sheet metal *Color:Red(As Pictures Show) *Material: Carbide *Diameter: 3/4/5/6/8/10/12mm *Quantity: 7Pcs/Set Package Contents: 7*Drill Bits(3/4/5/6/8/10/12mm) Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.