For ER collets in accordance with DIN 6499/ISO15488 ISO 26623
C3-391.14-20 045, C4-391.14-20 052, C4-391.14-25 052, C4-391.14-32 054, C5-391.14-20 055, C5-391.14-25 055, C5-391.14-32 057, C5-391.15-25 075, C6-391.14-20 060, C6-391.14-25 060, C6-391.14-25 100, C6-391.14-32 060, C6-391.14-32 100, C6-391.14-40 065, C8-391.14-25 070, C8-391.14-32 070, C8-391.14-32 160, ...