5/8" Expanding Arbor (Mandrel) with 5/8 Straight Shank EXPANDING MACHINABLE ARBOR BRAND NEW, UNOPENED, UNDAMAGED ITEM IN ORIGINAL PACKAGING ORIGINAL AMERICAN MADE MAY BE USED IN LATHES, MILLING MACHINES, GRINDERS, CHUCKS, COLLETS & FIXTURES ALL ORDERS SHIP IN 24 HRS