ProFlex Impact Driver Bit Set, 40-Piece


  • Impact Driver Bit Set with ProFlex torsional recoil system features energy absorbing technology to extend the life of the bit
  • S2 impact-rated steel bits built for heavy-duty applications
  • Extended length 3.5-Inch #2 Phillips and #2 Square bits to easily access hard to reach fasteners
  • Compact, modular storage system is compatible with MODbox™ and stackable with other cases of similar design
  • Set includes 3-Inch bit extension with strong magnet to keep bits in place
  • Variety of Phillips, Slotted, Square and TORX® bits to drive the most common fasteners on the job
  • 1/4-Inch and 5/16-Inch magnetic power nut drivers
MODbox Builderverse
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Klein Tools designed a set of ProFlex Torsion Zone Impact Driver Bits for the professional tradesman and do-it-yourself enthusiasts. All of the bits are made of high-impact rated S2 steel and feature an optimized torsion zone that absorbs impact forces to increase the lifetime of the bit. The 3-Inch bit holder and 1/4-Inch and 5/16-Inch nut drivers have strong magnets to easily hold bits and fasteners in place. Minimal chamfering on the nut drivers hex pockets increases surface contact between the nut and driver for better performance. All 40 pieces fit in a durable, impact-resistant case featuring steel hinges, a stay-shut latch and modular stackability with other cases of similar design.

Impact Driving and Screwdriving
For Use With:
Impact Drivers
Special Features:
Proflex Torsion Zone - Impact Ready, Spring Loaded Clip, Modular Case
Nut Driver Sizes:
1/4''; 5/16''
Phillips Bits:
#1, #2, #3
Slotted Bits:
3/16'', 1/4'', 5/16''
Square Bits:
#1, #2, #3
TORX® Bits:
T15, T20, T25, T27, T30
Other Bits:
3/8'' Square Impact Adapter
S2 Tool Steel
Overall Length:
7'' (17.8 cm)
Overall Height:
1.75'' (4.5 cm)
Overall Width:
3.75'' (9.5 cm)
Package Quantity:
Number of Pieces:
1.08 lbs (0.5kg)
Additional Information
  • Always wear eye protection.
  • NOT insulated. Will NOT protect against electrical shock.
  • Do NOT use to pry or chisel.