--- product_id: 597295977 title: "33801 Impact Driver Bit Set with ProFlex, S2 Steel Phillips, Slotted, Square, TORX Bits with Case, MODbox Compatible, 40-Piece" brand: "klein tools" price: "¥12072" currency: JPY in_stock: true reviews_count: 5 category: "Klein Tools" url: https://www.desertcart.jp/products/597295977-33801-impact-driver-bit-set-with-proflex-s2-steel-phillips store_origin: JP region: Japan --- # ProFlex torsion zone tech S2 impact-rated steel 40-piece comprehensive set 33801 Impact Driver Bit Set with ProFlex, S2 Steel Phillips, Slotted, Square, TORX Bits with Case, MODbox Compatible, 40-Piece **Brand:** klein tools **Price:** ¥12072 **Availability:** ✅ In Stock ## Summary > 🛠️ Upgrade your toolkit with impact-ready precision and durability! ## Quick Answers - **What is this?** 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?** ¥12072 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/597295977-33801-impact-driver-bit-set-with-proflex-s2-steel-phillips) ## 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 - • **Modular, Impact-Resistant Case:** Durable case with steel hinges and stay-shut latch stacks seamlessly with your toolkit - • **Heavy-Duty S2 Steel Construction:** Impact-rated steel bits engineered for professional-grade durability - • **Precision Reach with Extended Bits:** 3.5-inch Phillips & Square bits access hard-to-reach fasteners effortlessly - • **Built to Last with ProFlex Torsion Zone:** Energy-absorbing design extends bit life under heavy impact - • **Magnetic Nut Drivers for Secure Handling:** Strong magnets hold bits and fasteners firmly in place for faster work ## Overview The Klein Tools 33801 Impact Driver Bit Set features 40 high-impact S2 steel bits with ProFlex torsion zone technology that absorbs recoil forces to extend bit life. Designed for professionals and DIYers, it includes extended Phillips and Square bits for hard-to-reach fasteners, magnetic nut drivers for secure handling, and a rugged, modular case for organized portability. ## 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 ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CPT97MB4 | | ASIN | B0CPT97MB4 | | Best Sellers Rank | #38,883 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #181 in Power Screwdriver Bit Sets | | Bit Compatibilities | impact driver | | Brand Name | KLEIN TOOLS | | Country of Publication | Vietnam | | Country of origin | Vietnam | | Customer Reviews | 4.7 4.7 out of 5 stars (511) | | Customer reviews | 4.7 4.7 out of 5 stars (511) | | Date First Available | 12 December 2023 | | Drive Bit Shank Style | hex shank | | Drive System | Phillips, Slotted, Square, Torx | | Finish Types | Steel | | Global Trade Identification Number | 00092644338014 | | Included Components | ProFlex Impact Driver Bit Set, 40-Piece | | Is Discontinued By Manufacturer | No | | Item Length | 7 Inches | | Item Type Name | Driver Bit Set | | Item Weight | 490 g | | Item Width | 3.75 Inches | | Item model number | 33801 | | Manufacturer | KLEIN TOOLS | | Manufacturer | KLEIN TOOLS | | Material Type | S2 Steel | | Model Number | 33801 | | Number of Pieces | 1 | | Product Dimensions | 17.78 x 18.16 x 5.08 cm; 489.88 g | | UPC | 092644338014 | | Unit Count | 1 Count | ## Product Details - **Brand:** KLEIN TOOLS - **Finish type:** Steel - **Item length:** 7 Inches - **Material:** S2 Steel - **Number of pieces:** 1 ## Images ![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) ## 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.jp/products/597295977-33801-impact-driver-bit-set-with-proflex-s2-steel-phillips](https://www.desertcart.jp/products/597295977-33801-impact-driver-bit-set-with-proflex-s2-steel-phillips) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-05-11*