The Klein Tools 33801S 12-piece screwdriver bit set is displayed in an open, orange MODbox compatible storage case, featuring eleven impact-rated S2 steel bits and one magnetic bit holder organized in secure-pivot slots for easy access.
An essential bit selection graphic illustrating the contents of the 12-piece Klein Tools set, including 3/16-inch and 1/4-inch hex, #1 and #2 Phillips, #1 and #2 square, T15, T20, and T25 TORX, and 1/4-inch and 3/16-inch slotted bits alongside a magnetic bit holder.
Close-up action shot of a Klein Tools impact-rated bit being used in a cordless impact driver, emphasizing its high-torque capability for demanding professional screwdriving applications.
A perspective shot of the ultra-slim Klein Tools bit case with its clear lid partially open, highlighting the compact 5-inch by 3-inch dimensions and the MODbox modular storage system compatibility.
Technical illustration of the Klein ProFlex torsion zone on a #2 Phillips bit, showing how the specialized design reduces stress and absorbs torque to extend bit life and improve impact performance.
Detailed view of the open Klein Tools storage case with the bits angled in the easy-access storage tray, also showing a side compartment used for storing loose fasteners like screws and washers.
A demonstration of the modular connectivity of the Klein 33801S case, showing how the back latch securely connects to larger MODbox storage cases for organized jobsite tool management.
A size comparison image showing the 5-inch by 3-inch pocket-sized Klein bit case next to a modern smartphone, illustrating its portable design that fits easily into tool pouches or pockets.
An open view of the Klein Tools 12-piece impact-rated bit set in its orange MODbox case, showcasing the eleven precision-machined S2 steel bits and the magnetic bit holder in their secure-pivot storage slots.
Klein Tools USA promotional video
The Klein Tools 33801S 12-piece screwdriver bit set is displayed in an open, orange MODbox compatible storage case, featuring eleven impact-rated S2 steel bits and one magnetic bit holder organized in secure-pivot slots for easy access.
An essential bit selection graphic illustrating the contents of the 12-piece Klein Tools set, including 3/16-inch and 1/4-inch hex, #1 and #2 Phillips, #1 and #2 square, T15, T20, and T25 TORX, and 1/4-inch and 3/16-inch slotted bits alongside a magnetic bit holder.
Close-up action shot of a Klein Tools impact-rated bit being used in a cordless impact driver, emphasizing its high-torque capability for demanding professional screwdriving applications.
A perspective shot of the ultra-slim Klein Tools bit case with its clear lid partially open, highlighting the compact 5-inch by 3-inch dimensions and the MODbox modular storage system compatibility.
Technical illustration of the Klein ProFlex torsion zone on a #2 Phillips bit, showing how the specialized design reduces stress and absorbs torque to extend bit life and improve impact performance.
Detailed view of the open Klein Tools storage case with the bits angled in the easy-access storage tray, also showing a side compartment used for storing loose fasteners like screws and washers.
A demonstration of the modular connectivity of the Klein 33801S case, showing how the back latch securely connects to larger MODbox storage cases for organized jobsite tool management.
A size comparison image showing the 5-inch by 3-inch pocket-sized Klein bit case next to a modern smartphone, illustrating its portable design that fits easily into tool pouches or pockets.
An open view of the Klein Tools 12-piece impact-rated bit set in its orange MODbox case, showcasing the eleven precision-machined S2 steel bits and the magnetic bit holder in their secure-pivot storage slots.
Klein Tools USA promotional video
KLEIN TOOLS

Klein Tools 33801S Slim ProFlex Impact Rated Screwdriver Bit Set 12 Piece S2 Steel Torsion Zone Phillips Slotted Square TORX MODbox Compatible Storage

Only 1 left
SKU: 33801S
$9.99

Description

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Professional Performance and Durability: Klein Tools 12-Piece Slim ProFlex Bit Set

The Klein Tools 33801S 12-Piece Slim ProFlex Impact-Rated Bit Set is engineered for the most demanding jobsite environments. Each bit is constructed from premium S2 tool steel and features the innovative ProFlex torsion zone. This specialized design is specifically engineered to absorb peak torque and strain, which significantly reduces bit stress and prevents breakage, ultimately extending the life of your tools during heavy-duty impact driving. Whether you are a professional electrician, contractor, or a dedicated DIYer, this set provides the reliability and precision required for high-torque fastening applications in wood, metal, and plastic.

Portability and organization are at the heart of this set's design. The ultra-slim storage case is not only compact enough to fit into tool pouches and pockets, but it is also MODbox compatible, allowing it to snap securely into the Klein modular storage system for streamlined tool management. The set features a secure-pivot bit storage mechanism that makes bit selection simple and convenient while ensuring that bits stay locked in place, preventing accidental loss. Included in this kit is a high-grade magnetic bit holder that maximizes magnetism channeled through the bits to retain fasteners securely, even in awkward or vertical positions.

Key Features

  • Impact-Rated Durability: 12-piece set includes eleven essential bits and one high-strength magnetic bit holder.
  • ProFlex Torsion Zone: Specialized design reduces stress and absorbs strain to improve impact performance and tool longevity.
  • Ultra-Slim Modular Case: MODbox compatible design snaps into modular storage systems and fits easily into pouches or bins.
  • Secure-Pivot Storage: Provides convenient access to bits while preventing them from falling out or being misplaced.
  • High-Grade Magnetic Bit Holder: Enhances magnetism through bits to ensure fasteners stay retained during use.
  • Premium S2 Steel: Bits are manufactured from high-quality S2 tool steel with a Titanium Nitride finish for superior strength.

What's Included

  • (1) #1 Phillips Bit
  • (1) #2 Phillips Bit
  • (1) 3/16" Slotted Bit
  • (1) 1/4" Slotted Bit
  • (1) T15 TORX® Bit
  • (1) T20 TORX® Bit
  • (1) T25 TORX® Bit
  • (1) #1 Square Bit
  • (1) #2 Square Bit
  • (1) 3/16" Hex Bit
  • (1) 1/4" Hex Bit
  • (1) Magnetic Bit Holder
  • (1) Slim MODbox Compatible Storage Case

Specifications

Application Impact Driving; Storage
Material S2 Tool Steel
Finish Titanium Nitride
Bit Retention Magnetic
Overall Length 5 in
Overall Height 1.02 in
Overall Width 3.12 in
Weight 6.1 oz
UPC 092644331916
Case Depth 0.81 in

Pro-Tip: When using impact drivers, always start at a low speed to seat the screw before engaging the full power of the tool. This reduces the risk of the bit jumping out of the screw head, which protects both the Titanium Nitride finish and the longevity of the ProFlex torsion zone.