Sewon PQ Button
Lightweight although with a rich volume appearance. The holes are designed to prevent thread breakage.
Size
| Function (Shape) | ||||
|---|---|---|---|---|
| PQ-KN | PQ | PQ2 | ||
| Size | 11mm | - | OK | - |
| 13mm | OK | OK | - | |
| 15mm | OK | OK | - | |
| 18mm | OK | OK | - | |
| 20mm | - | - | OK | |