ER25 COLLET CHUCK MYFORD THREAD 1-1/8" X 12 2PC SYSTEM BY RDGTOOLS
(ER25 COLLET CHUCK WITH BUILT IN MYFORD THREAD. THIS IS A 2PC HEAD SYSTEM. 8)USE A DTI ON THE TAPER TO CHECK THE ACCURACY. THIS SYSTEM IS DESIGNED TO CREATE THE BEST ACCURACY AVAILABLE ON YOUR MACHINE!