--- product_id: 704757520 title: "OKNIFE MBS1 4mm Hex Bit Screwdriver Set, 9 PCS Durable S2 Tool Steel Double-Ended Bit Set with Eternal Pencil, Ideal for Opry, D1, U1 Pro Series and Other 4mm Hex Nut Drivers" brand: "oknife" price: "€ 50.88" currency: EUR in_stock: true reviews_count: 8 category: "Oknife" url: https://www.desertcart.at/products/704757520-oknife-mbs1-4mm-hex-bit-screwdriver-set-9-pcs-durable store_origin: AT region: Austria --- # S2 tool steel for max durability Reusable Eternal Pencil included 9 versatile double-ended bits OKNIFE MBS1 4mm Hex Bit Screwdriver Set, 9 PCS Durable S2 Tool Steel Double-Ended Bit Set with Eternal Pencil, Ideal for Opry, D1, U1 Pro Series and Other 4mm Hex Nut Drivers **Brand:** oknife **Price:** € 50.88 **Availability:** ✅ In Stock ## Summary > 🛠️ Elevate your toolkit with precision, power, and style — don’t get left behind! ## Quick Answers - **What is this?** OKNIFE MBS1 4mm Hex Bit Screwdriver Set, 9 PCS Durable S2 Tool Steel Double-Ended Bit Set with Eternal Pencil, Ideal for Opry, D1, U1 Pro Series and Other 4mm Hex Nut Drivers by oknife - **How much does it cost?** € 50.88 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/704757520-oknife-mbs1-4mm-hex-bit-screwdriver-set-9-pcs-durable) ## Best For - oknife enthusiasts ## Why This Product - Trusted oknife brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Magnetic Quick-Change:** Magnetic tips ensure fast, secure bit swaps to keep your workflow seamless and efficient. - • **Precision Meets Power:** Crafted from premium S2 tool steel with nickel plating for unmatched hardness and corrosion resistance. - • **All-in-One Versatility:** 9 double-ended bits covering T, PH, SL, and H sizes—perfectly compatible with Opry, D1, U1 Pro, and other 4mm hex drivers. - • **Mark & Measure On-the-Go:** Innovative Eternal Pencil included—no sharpening needed, ideal for quick markings during any project. - • **Smart Storage & Portability:** TPR rubber sleeves secure bits in place; compact frosted bag and hanging hole keep your set organized and travel-ready. ## Overview The OKNIFE MBS1 9-piece hex bit screwdriver set features durable, nickel-plated S2 tool steel double-ended bits compatible with popular 4mm hex drivers. It includes a unique reusable Eternal Pencil for marking, secure TPR rubber sleeves for bit retention, and a compact carrying case for ultimate portability—engineered for professionals and DIYers who demand reliability and versatility. ## Description The OKNIFE MBS1 9-Piece Drill Bit Set is designed for durability and precision. Made of high quality S2 tool steel, the 4mm double ended drill bits are nickel plated for corrosion resistance and long-lasting performance. This versatile set includes 9 different bit sizes, ideal for Opry, D1 and U1 Pro series tools. Plus, the set features a reusable Eternal Pencil for easy marking and writing, plus TPR rubber sleeves to keep tips safe and organized. Magnetic bits offer quick attachment and separation, while the compact carrying case ensures easy portability. Whether you're a professional or a DIY enthusiast, the OKNIFE MBS1 is your go-to bit set for any job. Review: 4mm reversible bit set - Excellent all good Review: Decent and Compact - Work fine. OKNIFE quality although who makes the bits I don't know. All neat and tidy. ## Features - PREMIUM S2 TOOL STEEL CONSTRUCTION - Each of the 4mm double ended drill bits is made of high-quality S2 tool steel, known for its exceptional hardness and wear resistance. It has durability that is superior to 99% of similar bit bits on the market. Nickel-plated surface ensures superior durability and long-lasting performance, even under heavy use. - Versatile MBS1 9-Piece Set: The MBS1 set includes 9 double ended bits in various sizes (T1+△2.3; PH00+PH2; PH0+SL3.5; SL1.5+SL2; H2.5+H3; H1.5+H2; T10+T15; T7+T9; T6+T8), offering the Perfect solution for various sizes of screws. Ideal for Opry series, D1 series and U1 Pro series tools, compatible with other 4mm hex nut drivers. - [Eternal Pencil for Enhanced Functionality] Unlike typical bit sets, the MBS1 includes a high-quality eternal pencil made from special materials. This pencil is reusable, requires no sharpening and extends the utility of the set for writing or marking tasks during work. - SAFE AND PORTABLE DESIGN - Each bit is held securely in place by TPR rubber sleeves, preventing any unnecessary movement or loss. The set also features a hanging hole for easy storage and convenient portability, ensuring your bits are always within reach. - [Durable and Portable] Crafted with sturdy S2 steel, the OKNIFE MBS1 bit set for easy docking and secure storage. With a versatile range of sizes and an additional Eternal pencil, it's perfect for professionals and hobbyists. The set comes in a stylish frosted bag and a convenient toothpaste-style box for easy storage and portability. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0DYD15BJC | | Best Sellers Rank | 141,457 in DIY & Tools ( See Top 100 in DIY & Tools ) 1,285 in Screwdriver Sets | | Bit Compatibilities | hand tool | | Bit Set Composition | Bit Set | | Bit Tip Configuration | Magnetic Tip | | Brand | OKNIFE | | Customer Reviews | 4.7 out of 5 stars 185 Reviews | | Drive Bit Shank Style | Hex | | Drive End Style | Hex Shank | | Drive System | Phillips, Hex | | Drive system | Phillips , Hex | | Finish | Nickel Plated | | Finish type | Nickel Plated | | Item Length | 4 Millimetres | | Item Weight | 1.19 Ounces | | Item length | 4 Millimetres | | Manufacturer | OKNIFE | | Material | Tool Steel | | Model Number | MBS1 | | Number of Pieces | 9 | | Number of pieces | 9 | | Part Number | 1 | | Set Name | MBS1 | | Unit Count | 1.0 count | ## Product Details - **Brand:** OKNIFE - **Finish type:** Nickel Plated - **Item length:** 4 Millimetres - **Material:** Tool Steel - **Number of pieces:** 18 ## Images ![OKNIFE MBS1 4mm Hex Bit Screwdriver Set, 9 PCS Durable S2 Tool Steel Double-Ended Bit Set with Eternal Pencil, Ideal for Opry, D1, U1 Pro Series and Other 4mm Hex Nut Drivers - Image 1](https://m.media-amazon.com/images/I/61lhuBj5fvL.jpg) ![OKNIFE MBS1 4mm Hex Bit Screwdriver Set, 9 PCS Durable S2 Tool Steel Double-Ended Bit Set with Eternal Pencil, Ideal for Opry, D1, U1 Pro Series and Other 4mm Hex Nut Drivers - Image 2](https://m.media-amazon.com/images/I/71NjtX40n8L.jpg) ![OKNIFE MBS1 4mm Hex Bit Screwdriver Set, 9 PCS Durable S2 Tool Steel Double-Ended Bit Set with Eternal Pencil, Ideal for Opry, D1, U1 Pro Series and Other 4mm Hex Nut Drivers - Image 3](https://m.media-amazon.com/images/I/712LXsI6GKL.jpg) ![OKNIFE MBS1 4mm Hex Bit Screwdriver Set, 9 PCS Durable S2 Tool Steel Double-Ended Bit Set with Eternal Pencil, Ideal for Opry, D1, U1 Pro Series and Other 4mm Hex Nut Drivers - Image 4](https://m.media-amazon.com/images/I/71GcVv4ORML.jpg) ![OKNIFE MBS1 4mm Hex Bit Screwdriver Set, 9 PCS Durable S2 Tool Steel Double-Ended Bit Set with Eternal Pencil, Ideal for Opry, D1, U1 Pro Series and Other 4mm Hex Nut Drivers - Image 5](https://m.media-amazon.com/images/I/71DceiIgxRL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ 4mm reversible bit set *by M***L on 12 February 2026* Excellent all good ### ⭐⭐⭐⭐⭐ Decent and Compact *by R***H on 23 January 2026* Work fine. OKNIFE quality although who makes the bits I don't know. All neat and tidy. ### ⭐⭐⭐⭐⭐ Very good 4mm bit set *by G***O on 15 January 2026* Very good 4mm bit set that I use with a Wiha system 4 driver handle and 4mm bit set adapter. They work really well together. ## Frequently Bought Together - OKNIFE MBS1 4mm Hex Bit Screwdriver Set, 9 PCS Durable S2 Tool Steel Double-Ended Bit Set with Eternal Pencil, Ideal for Opry, D1, U1 Pro Series and Other 4mm Hex Nut Drivers - OKNIFE U1 Pro Multitool Folding Utility Knife with Folding Screwdriver, Quick Change Blade, Rail Lock & Pocket Clip for Men Women(Green Micarta） - OKNIFE Otacle D1 Mini Precision Screwdriver Set, 9 in 1 EDC Multi Bit Pocket Screwdriver, Industrial S2 Steel Magnetic Bits for Work or Daily Use --- ## 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.at/products/704757520-oknife-mbs1-4mm-hex-bit-screwdriver-set-9-pcs-durable](https://www.desertcart.at/products/704757520-oknife-mbs1-4mm-hex-bit-screwdriver-set-9-pcs-durable) --- *Product available on Desertcart Austria* *Store origin: AT* *Last updated: 2026-08-13*