THE PARLEC C40-75EM3 IS A CAT 40 TOOL HOLDER WITH A TOTAL LENGTH (OAL) OF 6-1/4 INCHES. IT FEATURES A PROJECTION OF 3.50 INCHES. THE BORE DIAMETER MEASURES 0.75 INCHES, AND THE BODY DIAMETER IS 1.75 INCHES. THE PART NUMBER FOR THIS CAT 40 HOLDER IS C40-75EM3.