--- product_id: 598873237 title: "Klein Tools 33801 Impact Driver Bit Set with Proflex, S2 Steel Phillips, Slotted, Square, TORX Bits with Case, MODbox Compatible, 40-Piece" brand: "klein tools" price: "€ 73.49" currency: EUR in_stock: true reviews_count: 5 category: "Klein Tools" url: https://www.desertcart.be/products/598873237-klein-tools-33801-impact-driver-bit-set-with-proflex-s2 store_origin: BE region: Belgium --- # Magnetic bit extension & nut drivers 40-piece versatile bit set S2 impact-rated steel for heavy-duty use Klein Tools 33801 Impact Driver Bit Set with Proflex, S2 Steel Phillips, Slotted, Square, TORX Bits with Case, MODbox Compatible, 40-Piece **Brand:** klein tools **Price:** € 73.49 **Availability:** ✅ In Stock ## Summary > 🛠️ Elevate your toolkit with impact-ready precision and pro-level durability! ## Quick Answers - **What is this?** Klein Tools 33801 Impact Driver Bit Set with Proflex, S2 Steel Phillips, Slotted, Square, TORX Bits with Case, MODbox Compatible, 40-Piece by klein tools - **How much does it cost?** € 73.49 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/598873237-klein-tools-33801-impact-driver-bit-set-with-proflex-s2) ## Best For - klein tools enthusiasts ## Why This Product - Trusted klein tools brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Magnetic Mastery:** Powerful magnets on bit extension and nut drivers keep your workflow seamless - • **All-in-One 40-Piece Set:** Phillips, Slotted, Square & TORX bits plus magnetic nut drivers cover every job - • **Compact, Stackable Storage:** Durable MODbox-compatible case with steel hinges and stay-shut latch for organized portability - • **Heavy-Duty S2 Steel Construction:** Impact-rated bits engineered for professional-grade durability - • **Built to Last with ProFlex Torsion Zone:** Energy-absorbing tech extends bit life under heavy impact ## Overview The Klein Tools 33801 Impact Driver Bit Set features 40 high-impact S2 steel bits with ProFlex torsion technology to absorb recoil and extend bit life. Designed for professionals and serious DIYers, it includes magnetic bit extensions and nut drivers for secure fastening, all housed in a compact, stackable MODbox-compatible case. This set covers Phillips, Slotted, Square, and TORX drives, making it a versatile, durable solution for heavy-duty fastening tasks. ## Description 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. Review: Excellent boite d'embouts. Pratique et s'adapte sur tout. Review: Bem versátil ## Features - ENERGY ABSORBING TECHNOLOGY: Helps extend the life of the impact driver bit with the torsional recoil system feature - IMPACT-RATED: Steel bits are S2 impact-rated and built for heavy-duty applications - PHILLIPS AND SQUARE BITS: Easily access hard to reach fasteners with the 3.5-Inch #2 Phillips and #2 Square bits - STORAGE CASE: Included case is compact, can stack to cases with similar designs and is compatible with Klein's MODbox - BIT EXTENSION: Powerful magnet on the 3-Inch bit extension secures bits in place - 40 BIT SET: Includes a variety of Phillips, Slotted, Square and TORX bits - MAGNETIC NUT DRIVERS: 1/4-Inch and 5/16-Inch magnetic power nut drivers facilitates work on bolt applications ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CPT97MB4 | | Best Sellers Rank | 124,318 in DIY & Tools ( See Top 100 in DIY & Tools ) 1,065 in Screwdriver Bit Sets | | Bit Compatibilities | impact driver | | Brand | KLEIN TOOLS | | Customer Reviews | 4.7 4.7 out of 5 stars (461) | | Drive Bit Shank Style | hex shank | | Drive System | Phillips, Slotted, Square, Torx | | Finish | Uncoated | | Global Trade Identification Number | 00092644338014 | | Included Components | ProFlex Impact Driver Bit Set, 40-Piece | | Item Length | 7 Inches | | Item Type Name | Driver Bit Set | | Item Weight | 1.08 Pounds | | Item Width | 3.75 Inches | | Manufacturer | Klein Tools | | Material | S2 Steel | | Model Number | 33801 | | Number of Pieces | 1 | | Part Number | 33801 | | Set Name | 40-Piece ProFlex Impact Driver Bit Kit | | UPC | 092644338014 | | Unit Count | 1.0 count | ## Product Details - **Brand:** KLEIN TOOLS - **Finish type:** Uncoated - **Item length:** 7 Inches - **Material:** S2 Steel - **Number of pieces:** 1 ## Images ![Klein Tools 33801 Impact Driver Bit Set with Proflex, S2 Steel Phillips, Slotted, Square, TORX Bits with Case, MODbox Compatible, 40-Piece - Image 1](https://m.media-amazon.com/images/I/61Gvml+c2kL.jpg) ![Klein Tools 33801 Impact Driver Bit Set with Proflex, S2 Steel Phillips, Slotted, Square, TORX Bits with Case, MODbox Compatible, 40-Piece - Image 2](https://m.media-amazon.com/images/I/61OXOm+8L3L.jpg) ![Klein Tools 33801 Impact Driver Bit Set with Proflex, S2 Steel Phillips, Slotted, Square, TORX Bits with Case, MODbox Compatible, 40-Piece - Image 3](https://m.media-amazon.com/images/I/615qHdCWL7L.jpg) ![Klein Tools 33801 Impact Driver Bit Set with Proflex, S2 Steel Phillips, Slotted, Square, TORX Bits with Case, MODbox Compatible, 40-Piece - Image 4](https://m.media-amazon.com/images/I/51ueUT+KZTL.jpg) ![Klein Tools 33801 Impact Driver Bit Set with Proflex, S2 Steel Phillips, Slotted, Square, TORX Bits with Case, MODbox Compatible, 40-Piece - Image 5](https://m.media-amazon.com/images/I/61WmYVF9NBL.jpg) ## Available Options This product comes in different **Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by P***N on 18 July 2025* Excellent boite d'embouts. Pratique et s'adapte sur tout. ### ⭐⭐⭐⭐⭐ Review *by M***L on 8 February 2026* Bem versátil ### ⭐⭐⭐⭐⭐ Review *by U***Z on 27 March 2026* Buen material ## Frequently Bought Together - Klein Tools 33801 Impact Driver Bit Set with Magnetic Nut Drivers, ProFlex S2 Steel Phillips, Slotted, Square, TORX Bits with Case, MODBox Compatible, 40-Piece - Klein Tools 32500HDRT KNECT Ratcheting Screwdriver, Multi-Bit Screwdriver / Nut Driver, Impact Rated 11-in-1 Tool with Phillips, Slotted, Square and Torx Tips - Klein Tools 32288 Insulated Screwdriver, 8-in-1 Screwdriver Set with Interchangeable Blades, 3 Phillips, 3 Slotted and 2 Square Tips --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.be/products/598873237-klein-tools-33801-impact-driver-bit-set-with-proflex-s2](https://www.desertcart.be/products/598873237-klein-tools-33801-impact-driver-bit-set-with-proflex-s2) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-05-16*