Features: *100% brand new and high quality. *Made of high quality material, durable and practical to use. *Widely Used: Sharpened cutting edges for multi-purpose drlling on drywall,bricks,tiles,wood,aluminium and metal sheet... *Efficient Design: Triangle shank handle is designed for preventing slipping and allows drill bit to be held tightly and stably in power drill. U type slot design makes perfect chip removal ability with overall sandblasting treatment. No broken edges, no tremors, small incision resistance, fast hole speed, easy chip removal. *Material Dimension: High quality drill bit set made of tungsten carbide that prevents bit cracking and provides a longer life, sturdy and durable. 2 flute design,for better drilling dust removal. Specifications: *Material: Carbide *OptionalTypes:(As Pictures Show) 1 :5PCS(4/5/6/8/10cm) 2 :7PCS(3/4/5/6/8/10/12cm)(Approx.) *Color: As Pictures Show *Size:As Pictures Show Package Contents(Optional): Package 1 : 5*Drill Bits Package 2 : 7*Drill Bits 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.