1Set ER25 ER32 Spring Collets 9Pcs with MTB2/MTB3 MT2/3 Morse Taper Holder Cone

MTB2 with thread M10. MTB3 with thread M12. ER25 pring Collets 2.3.4.6.8.10.12.14.16MM. ER32 pring Collets 4.6.8.10.12.14.16.18.20MM.

eBay