- √ Durable - Hole saw kit is made of HSS high speed steel, with extremely sharp blade, low consumption and durable.
- √ Made From HSS - The gears is made from HSS and the rigidity varies from the hole saw has a twist drill bit inside, which is undetachable.
- √ Long Life - Anti-cutting with lower consumption make the product a long service life.
- √ Fast Cutting - Suitable for hand held electric drill, stand motor-driven drilling machine and mobile ribbon type magnetism drilling machine.
- √ Multi-Purpose - Perfect for installing knobs, locks and cutting holes in wood, soft steel, etc.