Alpen wood drill bits case 5 pieces. -Heat resistant up to 250°C. -For drilling soft and hard wood, chipboard, hardboard and for drilling dowel holes. -Exact thanks to the centering tip. -Sharp due to precision sharpening. The case consists of: 1 4-inch wood drill bit.0mm. diameter. >1 x 5-inch wood drill bit.0mm. diameter. >1 x 6-inch wood drill bit.0mm. diameter. >1 x 8 wood drill bit.0mm. diameter. >1 x 10 wood drill bit.0mm. diameter.