THE HEULE SNAP12-591 IS A DEBURRING TOOL MANUFACTURED BY HEULE TOOL CORP. ITS SPECIFICATIONS INCLUDE AN OVERALL LENGTH (OAL) OF 5.50 INCHES, A STRAIGHT SHANK WITH A 1/2-INCH DIAMETER, AND A SHANK LENGTH OF 1.75 INCHES. THE PART NUMBER FOR THIS ITEM IS SNAP12-591.