THIS IS A CLEVELAND COMBINED DRILL/COUNTERSINK SET CONSISTING OF THREE TOOLS: TWO QUANTITY #8 DRILLS AND ONE QUANTITY #5 DRILL. THE TOOLS ARE MADE OF HIGH SPEED STEEL AND FEATURE A 60-DEGREE COUNTERSINK ANGLE. THE QUANTITY #8 TOOLS HAVE AN OVERALL LENGTH OF 3 1/2 INCHES, A BODY DIAMETER OF 3/4 INCHES, A DRILL POINT DIAMETER OF 5/16 INCHES, AND A SIZE-DECIMAL OF #8 (0.3125) WITH A 0.313" POINT DIAMETER. THE RIGHT-HAND COUNTERSINK STYLE IS PLAIN. THE QUANTITY #5 TOOL HAS AN OVERALL LENGTH OF 2-3/4 INCHES, IS ALSO HIGH SPEED STEEL, AND IS UNCOATED WITH A ROUND SHANK TYPE. THE SIZE-DECIMAL FOR THE #8 DRILL IS ALSO LISTED AS #8 - 0.1990.