◆ Traditional needle bottom
◆ Picture 2 → Photo from the back, the ground is slightly hollow and light
◆Size◆
Please refer to Figure 3
The above error is about +- 2mm
◆Material◆
alloy
◆Maintenance and use◆
Do not leave it in a humid or greasy place for a long time. When not in use, store it in a box or bag to extend its service life.
Do not drop it vigorously or twist it
◆ Picture 2 → Photo from the back, the ground is slightly hollow and light
◆Size◆
Please refer to Figure 3
The above error is about +- 2mm
◆Material◆
alloy
◆Maintenance and use◆
Do not leave it in a humid or greasy place for a long time. When not in use, store it in a box or bag to extend its service life.
Do not drop it vigorously or twist it