Ko te Domeless Direct Inject he whao kiripaka ngawari engari he pai, ehara i te mea he roa anake, engari he huatau ano ki tana hoahoa.
Ko te whao he ahua o runga o te peere me te ngongo e puta mai ana i te pokapu kia pai te rere o te hau.
Ko te whao he mea whakakakahu ki tetahi hononga tane ka tae mai ki te 10mm me te 18.8mm te rahi.