THE PARLEC PC6-2113 BORING HEAD FEATURES A WORKING RANGE OF 0.188 INCHES TO 0.984 INCHES. IT IS EQUIPPED WITH PRECISE MICRO ADJUSTMENT CAPABILITIES, OFFERING A 1-DIVISION INCREMENT EQUAL TO 0.001 INCHES IN DIAMETER, AND A VERNIER SCALE PROVIDING 0.0001 INCHES IN DIAMETER ADJUSTMENT. THE OVERALL LENGTH (OAL) MEASURES 3.25 INCHES, AND THE UNIT HAS A SHANK LENGTH OF 1.5 INCHES.