Attachment is approximately 4mm wide and 5.4mm high. Has the standard 0.9mm thread.
🛈 For use with 1.2mm internal thread shafts
| Gauge | 1.2mm 🛈 | 
| Dimensions | 4mm (W), 5.4mm (H) | 
          Attachment is approximately 4mm wide and 5.4mm high. Has the standard 0.9mm thread.
🛈 For use with 1.2mm internal thread shafts
| Gauge | 1.2mm 🛈 | 
| Dimensions | 4mm (W), 5.4mm (H) |