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Overview

The Klein Tools 33803 ProFlex 44-Piece Set includes 42 impact-rated S2 tool steel bits, a magnetic adjustable-length Cushion-Grip™ screwdriver handle, and a MODbox™ compatible storage case. Engineered with ProFlex energy-absorbing torsion zones, these bits absorb high-impact torque to reduce breakage and extend service life during power tool or hand-driving applications.

Klein Tools 33803 ProFlex 44-Piece Impact Driver Bit Set with Adjustable Screwdriver & MODbox Compatible Case

Model: 33803
Web Code: 20194181
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Warranty Information

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

Designed for trade professionals and serious DIYers, the Klein Tools 33803 ProFlex 44-Piece Impact Driver Bit Set provides exceptional versatility and durability on the job site. Each bit is precision-machined from impact-rated S2 steel featuring a ProFlex Torsion Zone that absorbs energy spikes from high-torque impact drivers.

The set comes equipped with a Cushion-Grip™ screwdriver featuring an adjustable-length shaft for reaching restricted areas. A powerful internal magnet holds both the bit and fasteners securely in place. The complete set is housed in an impact-resistant, stackable carrying case with steel hinges, a secure latch, and full MODbox™ system compatibility.

Included in Set (44 Pieces Total):

Phillips: #0, #1, #2 (x2), #3

Slotted: 5/32", 3/16", 1/4", 5/16"

Square: #1, #2 (x2), #3

TORX: T6, T7, T8, T9, T10, T15, T20, T25 (x2), T27, T30, T40

Combo: C1, C2 (x2)

SAE Hex: 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4"

Metric Hex: H2, H2.5, H3, H4, H4.5, H5

Driver: Magnetic Adjustable-Length Cushion-Grip™ Screwdriver

Storage: MODbox™ Compatible Modular Case with Parts Tray

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

Shipping Charges

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Processing Time

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*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

Shipping Area Restrictions

Shipping is not available in the following areas*:
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*Please note: Shipping area restrictions may vary for large items. If an item can't be shipped to your address, we'll let you know during the checkout process.