Fixation SOP

[Features]
- Lead length of up to 20 mm to remove SOP in approximately 30 to 60 seconds.
- Use when you feel a little push.
- It is 0.6 mm thick so fits the size of the SOP to the lead example of 20 mm or less when cutting.
- Contents: 6 bits/1 spring.
Cannot be used with HS-407.