Vigezo vya Kiufundi
| Nyenzo: | Mwili wa alumini/Chuma |
| Kumaliza Uso: | Kipolishi /zinki iliyofunikwa |
| Kipenyo: | 3.2mm, 4.0mm, 4.8mm, 6.4mm,(1/8, 5/32, 3/16, 1/4) |
| Imebinafsishwa: | Imebinafsishwa |
| Kiwango: | IFI-114 na DIN 7337, GB, isiyo ya kawaida |







