THIS IS A SANDVIK 1-15/64" CARBIDE JOBBER DRILL SET, COMPRISED OF A LOT OF FOUR DRILLS. EACH DRILL FEATURES AN APPROXIMATE 9-INCH OVERALL LENGTH AND A 2-FLUTE DESIGN. SPECIFICATIONS INCLUDE A 2.75-INCH SHANK AND A 1.5-INCH DIAMETER. THE DESIGN INCLUDES 2 FLUTES, MEASURING 6.5 INCHES LONG WITH A 1-INCH DIAMETER, AND UTILIZES A STRAIGHT-CYLINDRICAL SHANK TYPE.