THE D'ANDREA TRM 125 IS A PRECISION FINISH BORING HEAD. IT FEATURES A CAT 50 HOLDER TYPE AND INCLUDES A MODULAR CONNECTION OF MB80. THE OVERALL LENGTH OF THE ENTIRE PIECE MEASURES 18 INCHES, AND IT IS DESIGNED WITH COOLANT THROUGH CAPABILITY. THE SPECIFIED OPERATIONAL RANGE IS O 004 0 >< 0001 0. THE UNIT COMES EQUIPPED WITH A D’ANDREA SFTP 50 INSERT CARTRIDGE, A D’ANDREA PS 11.40 BORING SLIDE, AND A D’ANDREA 41.6.80.01.050.49 CAT50 MB80 MODULAR TOOL HOLDER.