Brand New ER25 MT3 Milling Chuck Holder Fixed Milling Lathe MT3 Shank Holding all ER25 collets Drawbar :M12 Made with DIN6499B 0.012MM (0.0005") Run-Out Tolerance High Grade DN65 Carbon Steel Material ，recision Groud Package Included: 1X MTB3-ER25 Collet Chuck