Feature
1. Suitable for most general purpose drills
2. Efficient and accurate positioning
3 double face with exhaust sawdust design
4. There are 8 high quality replacement drill bits: when the drill bit is damaged, only need to replace the drill bit that can continue to be used.
Disassembly step
1. Prepare the center drill bit and hex wrench
2. Rotating hex wrench
3. Hold the top of the drill and gently rotate to unscrew the outer casing.
4. If you need to change the drill bit, just remove the broken drill bit and install the replacement drill bit.
Package Included
10 * Center Drill (5/64'*2, 7/64'*2, 9/64'*2'* 2,11 / 64'', 13/64'', 5mm and 1/4") (with shell) 10 *Replace the drill bit
1 * hex wrench
1 * center punch