Tikanga Whakamātautau:
Whakapiria te raro o te pounamu ki te pereti hurihuri o te pereti whakapae, kia pā te waha o te pounamu ki te ine mata, ka huri ki te 360 nekehanga. Ka pānuihia ngā uara mōrahi me ngā uara iti rawa, ā, ko te haurua o te rerekētanga i waenganui i a rāua ko te uara peka poutū. Ka whakamahia e te taputapu ngā āhuatanga o te kōpiko teitei o te pūwero-aunoa-toru-kauae me te huinga o te whāriki herekore teitei ka taea te whakarite noa i te teitei me te aronga, ka taea te whakatutuki i te kitenga o ngā momo pounamu karāhe me ngā pounamu kirihou katoa.
Ngā Tawhā Hangarau:
| Rārangi | Tawhā |
| Awhe Tauira | 2.5mm— 145mm |
| Paepae Woring | 0-12.7mm |
| Te wehewehe | 0.001mm |
| Te tika | ± 0.02mm |
| Teitei e taea te ine | 10-320mm |
| Ngā rahinga whānui | 330mm(R)X240mm(W)X240mm(T) |
| Taumaha kupenga | 25kg |