Klein Tools KTSB03 Step Drill Bit Double Fluted #3, 1/4 to 3/4-Inch Expander The 8 piece screwdriver set

The 8 piece screwdriver set features a general purpose selection of the most frequently used screwdrivers

Use it to measure the pressure drop across coils and filters or in ducts and systems

waterproof

thermally protected motors encased in a durable aluminum housing

Klein Tools KTSB03 Step Drill Bit Double Fluted #3, 1/4 to 3/4-Inch Expander The 8 piece screwdriver setKlein Tools KTSB03 Step Drill Bit Double Fluted #3, 1 4 to 3 4 Inch These Double Fluted Step Drill Bits provide faster cutting and drilling than single flute bits. The easy to read step markings and targets save time when drilling holes. Thick 3 8'' hex shank provides a firm, positive grip and won't spin out in the drill. Two flutes cut faster and keep bit cooler Fast starting, non walking drill tip High visibility silver targets for primary hole