--- product_id: 707055134 title: "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: "€ 32.15" currency: EUR in_stock: true reviews_count: 5 url: https://www.desertcart.be/products/707055134-mbs1-4mm-hex-bit-screwdriver-set-9-pcs-durable-s2 store_origin: BE region: Belgium --- # S2 tool steel, ultra durable Reusable Eternal Pencil included 9 versatile double-ended bits 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:** € 32.15 **Availability:** ✅ In Stock ## Summary > 🛠️ Elevate your toolkit with precision and style — never miss a fix again! ## Quick Answers - **What is this?** 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?** € 32.15 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/707055134-mbs1-4mm-hex-bit-screwdriver-set-9-pcs-durable-s2) ## 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 - • **Compact & Portable:** Sleek frosted carry case with hanging hole fits effortlessly in your toolkit or pocket for on-the-go convenience. - • **Secure & Organized:** TPR rubber sleeves hold bits firmly in place, preventing loss and ensuring quick access on the job. - • **Eternal Pencil Bonus:** Innovative reusable pencil included for marking and writing—no sharpening needed, always ready. - • **All-in-One Versatility:** 9 double-ended bits covering a wide range of screw sizes, perfect for Opry, D1, U1 Pro, and other 4mm hex drivers. - • **Precision Meets Durability:** Crafted from premium S2 tool steel with nickel plating for unmatched hardness and corrosion resistance. ## Overview The OKNIFE MBS1 9-piece bit set features premium S2 tool steel double-ended bits with nickel plating for superior durability and corrosion resistance. Designed for compatibility with Opry, D1, and U1 Pro series tools, it includes 9 versatile bit sizes and a reusable Eternal Pencil for marking tasks. Secure TPR rubber sleeves and a compact carry case ensure portability and organization, making it the ultimate professional-grade screwdriver set for millennial pros and DIY enthusiasts alike. ## Description The OKNIFE MBS1 9 PCS Bit Set is designed for durability and precision. Made from premium S2 tool steel, the 4mm double-ended 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.In addition, the set features a reusable Eternal Pencil for easy marking and writing, plus TPR rubber sleeves to keep the bits secure and organized. The magnetic bits offer quick attachment and detachment, while the compact carry case ensures easy portability. Whether you’re a pro or DIY enthusiast, the OKNIFE MBS1 is your go-to bit set for any job. ## Features - [ High-Quality S2 Tool Steel Construction ] Each of the 4mm double-ended bits is crafted from premium S2 tool steel, known for its exceptional hardness and wear resistance. It has a durability that is higher than 99% of the similar bit tips in the market. The nickel-plated surface ensures superior durability and long-lasting performance, even under heavy use. - [ Versatile 9-Piece Bit Set ] The MBS1 set includes 9 different 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 screw sizes. Ideal for Opry Series, D1 Series, and U1 Pro Series tools, Compatible 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, requiring no sharpening, and extends the set's usefulness for writing tasks or marking during work. - [ Secure and Portable Design ] Each bit is securely held 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 from tough S2 steel, the OKNIFE MBS1 set bits for easy attachment and secure storage. With a versatile range of sizes and a bonus Eternal Pencil, it’s perfect for professionals and DIYers. The set comes in a sleek frosted bag and a convenient toothpaste-style box for easy storage and portability. ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B0DYD15BJC | | Best Sellers Rank | #261 in Screwdriver Sets | | Date First Available | 3 March 2025 | | Item Model Number | MBS1 | | Manufacturer | OKNIFE | | Product Dimensions | 8.13 x 3.38 x 0.79 cm; 33.73 g | ## Product Details - **Brand:** OKNIFE - **Finish type:** Nickel Plated - **Item length:** 4 Millimeters - **Material:** Tool Steel - **Number of pieces:** 18 ## Images ![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) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great bit set and a pencil as well! But this! *by on Reviewed in the United States 19 October 2025* This multi tool set is a must have. It works with the otacle and with the oknife u1 pro. Have it on a key ring with a carabiner and it helps with glasses and knives and any small screws. It also comes with a pencil bit which you can buy refill bits from amazon or olight directly. Lightweight super durable bits. Small storage footprint and excellent value. ### ⭐⭐⭐⭐ 使い勝手は良いです！ *by on Reviewed in Japan 2 February 2026* 特に鉛筆？ビットは書いた文字も消しゴムで消せるので仕事で書き直しが必要な記入時に重宝しています！ ### ⭐⭐⭐⭐⭐ Sinnvolle Bits. *by on Reviewed in Germany 9 March 2026* Tolles kleines Gadget zum erweitern des Tools. Sinnvolle Bits. ## 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.be/products/707055134-mbs1-4mm-hex-bit-screwdriver-set-9-pcs-durable-s2](https://www.desertcart.be/products/707055134-mbs1-4mm-hex-bit-screwdriver-set-9-pcs-durable-s2) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-07-04*