Product Review

Brad Point starts bit drilling on center, eliminates the need for a center punch.
High hardness and sharp, professional in drilling holes on wood. Suitable for drilling in soft and hardwood, plastic or acrylic. (not for metal material)
High-carbon steel with quenching hardened heat treatment, very high quality and good durability.
Includes various sizes and lengths in one drill bit set(3 x 60mm, 4 x 73mm, 5 x 85mm, 6 x 92mm, 7 x 100mm, 8 x 110mm, 9 x 115mm, 10 x 120mm), which meet your different needs perfectly.
Note: Please allow 1-2mm differs due to manual measurement, thanks.

Specification:
Material:High-carbon steel
Interface: standard round handle.
Bit working part hardness: HRC50