Iki gice kigizwe na chuck na tap collet.Chuck yashyizeho igikoresho cyo kwishyura indabyo.Hano hari ibibiriti bibiri bitandukanye, kimwe gifite uburinzi burenze ubundi butarimo.Mugihe ukoresheje igikanda cya collet hamwe nuburinzi burenze urugero, igikoresho cyo kurinda kirashobora guhita kirekura kugirango wirinde gukanda.Gusa uhindure utubuto kandi urashobora kubona itara ritandukanye ryihuse kandi byoroshye.