THIS IS AN ISCAR ETM BHR MB40-40X80 SINGLE CUTTER BORING HEAD. THE HEAD HAS A CUTTING DIAMETER RANGE FROM 50.0 MM MINIMUM (1.9690 DECIMAL INCH) TO 68.0 MM MAXIMUM, AND FEATURES MANUAL ACTUATION. THE UNIT INCLUDES A D’ANDREA SMCC 40 ROUGHING CARTRIDGE AND SUPPORTS AN INSERT INSERT SERIES OF CCMT 09T3... THE BORING HEAD'S DIMENSIONS INCLUDE AN A WIDTH OF 40.0 MM AND AN B OVERALL LENGTH OF 18.7 MM, WITH A CUTTING EDGE ANGLE OF 90 DEGREES. THE CARTRIDGE SIZE CODE IS 40 (CASC).