Klein Tools Impact Screwdriver...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$113.64
$44.63
Klein Tools ProFlex Impact Screwdriver Bit and Socket Set, 38-Piece

Klein Tools Impact Screwdriver Bit and Socket Set 38-Piece S2 Steel Cushion Grip Adjustable Length ProFlex

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Model: 33805
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$113.64
$44.63
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Klein Tools Impact Screwdriver Bit and Socket Set 38-Piece S2 Steel Cushion Grip Adjustable Length ProFlex

Professional-Grade Impact Driver Bit and Socket Collection

The Klein Tools Impact Screwdriver Bit and Socket Set delivers professional-grade impact driving performance for heavy-duty fastening applications. This S2 tool steel 38-piece collection features ProFlex torsion zone technology designed for electricians, contractors, and construction professionals, providing the reliable performance and industry-leading quality that tradesmen demand from America's most trusted tool manufacturer.

Professional Features & Benefits

Impact-Rated Performance

  • S2 Impact-Rated Steel Construction - Superior durability and torsion resistance for high-torque impact driver applications
  • ProFlex Torsion Zone Technology - Engineered flex zone absorbs impact energy and extends bit life significantly
  • 29 Unique Bits Plus 6 Socket Sizes - Complete fastening solution including Phillips, slotted, hex, Torx, square, and nut driver configurations
  • Powerful Magnetic Bit Retention - Internal barrel magnet securely holds bits and picks up dropped fasteners for enhanced productivity

Professional Durability & Safety

  • Adjustable Length Cushion-Grip Handle - Quick-adjust push button mechanism with ergonomic grip reduces hand fatigue during extended use
  • Impact-Resistant Modular Case - Steel hinges and stay-shut latch withstand jobsite abuse while clear lid provides instant bit identification
  • Small Parts Storage Tray - Integrated compartment secures loose fasteners, washers, and spare bits preventing loss on the jobsite

Technical Specifications

Overall case dimensions: 7 inches length x 3.75 inches width x 1.75 inches height, weighs 1.56 pounds. Includes Phillips bits (#0, #1, #2, #3), slotted bits (3/16", 1/4", 5/16"), hex bits (3/32" through 1/4" plus metric 2mm-5mm), Torx bits (T10-T40), square bits (#1-#3), combination bits (C1, C2), nut driver sockets (1/4" through 9/16"), and 3/8" square impact adapter. S2 tool steel construction with torsion zone design for maximum impact resistance.

Installation & Usage

  1. Select appropriate bit or socket from organized case layout for specific fastener type
  2. Insert bit into adjustable Cushion-Grip handle using quick-adjust push button mechanism
  3. Adjust handle length for optimal leverage and control in confined spaces
  4. Engage magnetic bit retention system to secure fasteners during positioning
  5. Apply steady pressure while operating impact driver to prevent cam-out and fastener damage
  6. Return bits to designated case slots and secure small parts in storage tray after use

Professional Applications

Ideal for:

  • Electrical Installation - Panel mounting, conduit installation, junction box assembly, and electrical component fastening
  • Construction Work - Framing, drywall installation, decking, and structural fastening applications
  • HVAC Systems - Ductwork installation, equipment mounting, and ventilation system assembly
  • Industrial Maintenance - Equipment repair, machinery assembly, and facility maintenance tasks
  • Telecommunications - Rack mounting, cable management systems, and communication equipment installation
  • Automotive Repair - Engine work, body panel removal, and mechanical component servicing
  • Commercial Electrical - Large-scale electrical installations, motor control centers, and distribution panel work
  • Residential Projects - Home improvement, appliance installation, and general fastening applications

ProFlex Torsion Zone Advantage

Klein Tools ProFlex technology represents advanced engineering specifically designed for impact driver applications. The torsion zone creates a controlled flex point that absorbs the shock and vibration generated by impact tools, dramatically extending bit life while maintaining precise fastener engagement. This innovation reduces bit breakage, prevents fastener stripping, and ensures consistent performance under high-torque conditions that destroy conventional bits.

Why Choose Klein Tools Quality?

Since 1857, Klein Tools has maintained its position as America's premier manufacturer of professional-grade tools for electrical and construction trades. Every ProFlex impact bit undergoes rigorous testing protocols to ensure compliance with professional safety standards and deliver the reliable performance that electricians, contractors, and tradesmen depend on. Klein's commitment to precision manufacturing, innovative design, and American craftsmanship ensures these tools provide years of dependable service in the most demanding professional environments.



KLN-33805 - spec sheet

Manufacturer Resources

Spec Sheet

Product Specs

Application:
Impact Driving and Screwing
Combo Bits:
C1, C2
Country Of Origin:
Taiwan
For Use With:
Impact Drivers
Hex Bits:
3/32", 1/8", 5/32", 3/16", 1/4", 2", 2.5", 3", 4", 5"
Magnetic:
Yes
Number Of Pieces:
38
Nut Driver Sizes:
1/4", 5/16", 3/8", 7/16", 1/2", 9/16"
Other Bits:
3/8" Square Impact Adapter
Overall Height:
1.75" (4.5 cm)
Overall Length:
7" (17.8 cm)
Overall Width:
3.75" (9.5 cm)
Phillips Bits:
#0, #1, #2, #3
Slotted Bits:
3/16", 1/4", 5/16"
Square Bits:
#1, #2, #3
Torx Bits:
T10, T15, T20, T25, T27, T30, T40
Product Type:
Screwdriver Set
Department:
Electrical
Product Group:
Hand Tools
Product Subgroup:
Screwdrivers & Drivers
Product Height:
1.7500 in
Product Material:
S2 Tool Steel
Product Weight:
1.5600 lbs
Product Width:
3.7500 in
Product Depth:
7.0000 in

Klein Tools 33805 – Frequently Asked Questions

1) Will the Klein 33805 impact bit set work in my impact driver, or is it just for hand driving?
Both. The 33805 is built for impact drivers, with S2 tool steel bits and a torsion zone that flexes under impact instead of snapping. The set also includes an adjustable Cushion-Grip handle, so the same bits drive by hand in a panel or a box where you can't fit the gun. The application the set is rated for is impact driving and screwing.
2) Can I run regular 1/4 inch impact sockets off the Klein 33805 set?
Yes, there's a 3/8 inch square impact adapter in the kit. Chuck it in the driver's 1/4 inch hex and you can run any 3/8 inch drive impact socket you already own, which is how you get past the 9/16 inch top end of the included nut drivers.
3) What Torx and square drive sizes are in the Klein 33805 impact bit set?
Torx runs T10, T15, T20, T25, T27, T30 and T40, and square (Robertson) drive is #1, #2 and #3. That's the range that handles most equipment covers, deck screws and the square drive fasteners common on electrical devices and cabinet hardware. Below T10 there's nothing, so small electronics and security Torx work needs a separate set.
4) Does the Klein 33805 set include metric hex bits or only SAE?
Both. Hex bits cover SAE at 3/32, 1/8, 5/32, 3/16 and 1/4 inch, plus metric at 2, 2.5, 3, 4 and 5 mm. Set screws on imported equipment and fixtures typically land in that metric range, so you aren't switching kits mid-job.
5) Will the Klein 33805 impact bit case fit in a pouch or the door pocket of a van?
The case measures 7 x 3.75 x 1.75 inches and the whole kit weighs 1.56 pounds. That fits a standard tool pouch pocket or a bucket organizer sleeve without much fight, and it's light enough to carry up a ladder with you rather than leaving it on the floor.
6) Are the bits in the Klein 33805 set magnetic enough to hold a screw overhead?
The bits are magnetic, and the handle has an internal barrel magnet that holds the bit in place and will pick up a dropped fastener. Starting a device screw one-handed in a ceiling box or an overhead panel is the case this is built for.
7) What Phillips, slotted and combination bits come in the Klein 33805 set for receptacle and device work?
Phillips runs #0 through #3, slotted covers 3/16, 1/4 and 5/16 inch, and there are C1 and C2 combination bits for the combo head screws on receptacles, switches and panel covers. The #2 Phillips and the combo bits are what most device work actually uses; the #0 is there for the small terminal screws on controls and thermostats.
8) Why buy impact rated bits instead of using standard screwdriver bits in an impact driver?
Standard bits are hardened straight through, so the rotational shock from an impact driver has nowhere to go and the tip shears off. The 33805 bits are S2 tool steel with a ProFlex torsion zone, a deliberate flex point that absorbs the hammer blows so the tip survives. If you're driving with an impact gun rather than a drill, this is the distinction that decides whether you replace bits weekly.
9) What is the Klein part number for the 38-piece ProFlex impact bit and socket set?
Klein Tools 33805 is the part number, one configuration, 38 pieces, made in Taiwan. If you're standardizing a crew or restocking a truck inventory, 33805 is the only number you need to reference.
10) Can I shorten the driver handle on the Klein 33805 to get into a tight junction box?
The Cushion-Grip handle adjusts length with a quick-adjust push button, so you can shorten it for clearance inside a box or behind equipment and extend it when you need leverage. That's the piece that makes the set useful where the impact driver physically won't fit.
How fast can I get the Klein Tools 33805 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Klein Tools 33805 come with a warranty?
Absolutely. The Klein Tools 33805 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Klein Tools 33805?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Klein Tools 33805 from ZenSupply?
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