Umupira ufunga urugi rufunga hamwe na silinderi yapfuye atanga umusaruro utekanye kandi wijimye ku miryango yombi yo guturamo ndetse n'ubucuruzi. Bikozwe mubyuma bifatika hamwe na satin nikel, iyi funga yashyizeho ibiranga sisitemu shingiro, yemerera ibifunga byose bigomba gukorerwa hamwe nurufunguzo rumwe. Umukunzi umwe wapfuye atanga umutekano wongeyeho hamwe ninyuma yinyuma hamwe na buto yo guhindura imbere.

Igenamigambi ririmo umwenda ushobora guhinduka (2-3 / 8 "cyangwa 2-3 / 4-3 / 60mm-7mmm) kandi rihuye nimiryango ifite ubunini bwa 35mm kugeza 48mm, ihuza imiryango myinshi.

Hamwe no kwishyiriraho dey kwishyiriraho, nta bufasha bw'umwuga burakenewe. Nibyiza kuzamura umutekano no kugaragara kw'imiryango yawe, uyu mupira ufunga ni mwiza murugo no gukoresha ibiro.