How to Use

1. Cartridge replacement Unscrew the cap and take out the cartridge. Install a new cartridge. Put the cartridge into the recess of the head, press it firmly and screw the cap with hands first. Attention: In order to protect the careful thread, please do not use the wrench at the beginning.
2. Drill bit: Do not use an inappropriate drill bit. Diamond drill shanks must meet the requirements of the ISO standard and have a diameter of 1.59-1.60mm. Do not use a bent, damaged or short-handled drill bit.
3. Drill bit replacement Press the cap and take out the drill bit. Press the cap, insert the drill bit and loosen the cap. To prevent accidental dropping of the drill bit and damage caused by impact, the drill bit should be inserted all the way to the ground.