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THIS IS A LOT OF TWO NIAGARA N80320 BALL NOSE JOBBER DRILLS, CONSTRUCTED FROM HIGH-SPEED STEEL (HSS) AND MADE IN THE USA. KEY DIMENSIONS INCLUDE A 1-INCH DIAMETER, A 4-FLUTE NECK STYLE, A 3-INCH FLUTE LENGTH, APPROXIMATELY 8-INCH DRILL LENGTH, 2.5-INCH SHANK LENGTH, AND A 10.5-INCH OVERALL LENGTH. ADDITIONAL SPECIFICATIONS NOTED ARE LD=5.441 D171, LD=5.441 IO21, AND MICROSHIELD/GP.