THIS IS AN EDWARD ANDREWS CO. EA48-23 BORING BAR SLEEVE. THE PART FEATURES AN OVERALL LENGTH (OAL) OF 6 INCHES. THE INNER BORE DIAMETERS ARE 0.50 INCHES ON THE END WITH HOLDING SCREWS AND 0.57 INCHES ON THE OPPOSITE END. THE OUTER BORE DIAMETER IS 1.50 INCHES. THIS COMPONENT IS IDENTIFIED AS A BORING BAR SLEEVE, MANUFACTURED BY EDWARD ANDREWS CO. WITH PART NUMBER EA48-23.