THE BOKUM TOOL CO. BOKUMATIC IS A TOOLING ACCESSORY WITH AN OVERALL LENGTH (OAL) OF 10 INCHES. KEY DIMENSIONS INCLUDE A BODY DIAMETER OF 2.59 INCHES, A HEAD DIAMETER MEASURING 1.94 INCHES, AND AN ARBOR HOLE WITH A DIAMETER OF 0.75 INCHES. THIS ITEM IS MANUFACTURED BY BOKUM TOOL CO.