Collet index for milling machine,drilling machine,grinding machine and etc. ... 4,6,8,12,24.matched 5C collet FNL100B collet index can be mounted on milling machine,grinding machine,drilling machine ... can also be used for marking out of components.This index has the advantage of use in horizontal and vertical positon ... weight Kg12Gross weight Kg15Case dimensions mm284x250x260 Hor.&Vert. Collet Index