Karekau parahi + bearing
Te tukanga Knurling, kore-pahekeheke me te kakahu-ātete.
Tautoko ki te whakarite i to ake waitohu.
Karekau parahi + bearing.
Tauira whakakikoruatia, kakano marama.
Ko nga kokonga porotaka kaore e paheke me te kakahu-atete, he pai te ahua.
Ko te hoahoa a-ringa i te ringa, he pai te pahekeheke.
E rua nga waahi hopu, e rua nga wheako whakapakari tinana.
50cm te iri wahi tuwhera.