The Professional Mechanic's Tool Source
Irwin 10235 Irwin High Speed Steel Step Drill Bit (1/4"-1-3/8" x 6")
Irwin 10231 Irwin High Speed Steel Step Drill Bit (1/8"-1/2" x 6")
Irwin 24612 12-pc Fractional Tap & Hex Die Set
Irwin 26313 24-pc Metric Tap & Hex Die Set
Irwin 26376 76-pc Machine Screw / Fractional / Metric Tap & Hex Die Set
Irwin 26317 41-pc Metric Tap & Hex Die Set
Irwin 24606 41-pc Machine Screw / Fractional Tap & Hex Die Set