THE GRAFLEX A700 50 BORING HEAD FEATURES A PART NUMBER OF A700 50 AND IS EQUIPPED WITH A CAT 50 HOLDER AND AN M403-65 TOOL EXTENSION. THE BORING HEAD OFFERS A WORKING RANGE OF 2.510 INCHES TO 3.380 INCHES (64MM-86MM), AN END WIDTH OF 2-5/8 INCHES, AND AN OVERALL ASSEMBLED LENGTH OF 13-3/4 INCHES. THE ASSEMBLY INCLUDES THE EM2504 401 36120 (CAT 50 HOLDER) AND M403-65 (TOOL EXTENSION).