Isethi ifakiwe: 1 i-collet chuck,1 clamping nut, isethi egcwele yamakholethi snd 1 isipanaIpakishwe ngekesi lezinkuni noma ikesi lepulasitiki.
Ikhithi ye-ER collets ifanele ukubhola, ukugaya, ukuthepha nokugaya.