1. The hole saw is made of carbon steel and is practical.
2. The blade is extremely cut resistant. Good perforation ability.
3. It removes material from the hole and cuts out a material disc.
4. For installing locks, knobs in doors and cabinets or drilling larger diameter holes through desks etc.
5. This hole saw bit is only for wood, not for metal.

Technical data:
Features:
The hole saw is made of carbon steel and is practical.
The blade is extremely cut resistant. Good perforation ability.
It removes material from the hole and cuts out a material disc.
For installing locks, knobs in doors and cupboards or for drilling larger diameter holes through desks etc.
This hole saw bit is only for wood, not for metal.
There are 4 hole saws of different sizes that allow you to open different holes.
Technical data:
Material: carbon steel.
Hole saw diameter: 32mm/1.3, 38mm/1.5, 44mm/1.7, 54mm/2.1
Weight: approx. 209 g / 7.4 ounces.

Package list:
4 x hole saw drill bits.
1 x extension rod.
1 x Allen key.
1 x nut