Description:Made of high quality material, durable and high precisionThe bit diameter: 16 mm/0

63inch, 18 mm/0

71inch, 20 mm/0

79inch, 22 mm/0

87inch and 25 mm/0

98inch, fits for most purpose

Provide smooth, accurate drilling in wood

I For DIY, home and general building, woodworking, engineering using

A necessary accessory set for woodworking drills and impact driversMaterial: AlloyPackage Includes:1PC Hex Shank Drill Bits