--- 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: "€ 29.37" currency: EUR in_stock: true reviews_count: 5 category: "Oknife" url: https://www.desertcart.de/products/707055134-mbs1-4mm-hex-bit-screwdriver-set-9-pcs-durable-s2 store_origin: DE region: Germany --- # Premium 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:** € 29.37 **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?** € 29.37 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.de](https://www.desertcart.de/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 - • **Secure & Organized:** TPR rubber sleeves hold bits firmly in place, preventing loss and ensuring quick access wherever you go. - • **Compact Portability:** Sleek frosted carry case with hanging hole fits easily in your toolkit or pocket—ready for any professional or DIY challenge. - • **All-in-One Versatility:** 9 double-ended bits covering T, PH, SL, and H sizes, perfectly compatible with 4mm hex drivers and popular pro series tools. - • **Innovative Eternal Pencil:** Unique reusable pencil for marking and writing on the job—no sharpening needed, boosting your workflow efficiency. - • **Precision Meets Durability:** Crafted from premium S2 tool steel with nickel plating for unmatched wear resistance and longevity. ## Overview The OKNIFE MBS1 9-piece bit set features premium nickel-plated S2 tool steel double-ended bits designed for exceptional durability and compatibility with 4mm hex drivers. It includes a unique reusable Eternal Pencil for marking, secure TPR rubber sleeves for bit retention, and a compact carry case for ultimate portability—ideal for professionals and DIYers seeking reliable, versatile precision tools. ## 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. Review: 使い勝手は良いです！ - 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！ Review: Fantastic quality and assortment of sizes. - Best pocket set of precision bits that I can find online. They fit well in the back pocket and complement the OKNIFE to be able to do various small electronics and appliance repairs on the fly. I constantly am fixing small equipment like this and find myself grabbing these bits out of my pocket rather than getting much more expensive and fancy precision screwdriver sets from my desk. Worth every penny. I have had absolutely no issues with bits stripping or shearing screws either; fantastic quality. ## 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 | #50,830 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #535 in Screwdriver Sets | | Bit Compatibilities | Hex Head Screws (4mm, M4, M5, M6, M8, M10) | | Bit Set Composition | Bit Set | | Bit Tip Configuration | Magnetic Tip | | Brand | OKNIFE | | Brand Name | 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 Types | Nickel Plated | | Finish type | Nickel Plated | | Item Length | 4 Millimeters | | Item Weight | 1.19 Ounces | | Item length | 4 Millimeters | | Manufacturer | OKNIFE | | Manufacturer Part Number | 1 | | Material | Tool Steel | | Material Type | Tool Steel | | Model Number | MBS1 | | Number of Pieces | 9 | | Number of pieces | 9 | | Set Name | MBS1 | | Unit Count | 1 Count | ## 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 ### ⭐⭐⭐⭐ 使い勝手は良いです！ *by K***N on 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！ ### ⭐⭐⭐⭐⭐ Fantastic quality and assortment of sizes. *by A***S on 19 July 2026* Best pocket set of precision bits that I can find online. They fit well in the back pocket and complement the OKNIFE to be able to do various small electronics and appliance repairs on the fly. I constantly am fixing small equipment like this and find myself grabbing these bits out of my pocket rather than getting much more expensive and fancy precision screwdriver sets from my desk. Worth every penny. I have had absolutely no issues with bits stripping or shearing screws either; fantastic quality. ### ⭐⭐⭐⭐⭐ Sinnvolle Bits. *by W***8 on 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.de/products/707055134-mbs1-4mm-hex-bit-screwdriver-set-9-pcs-durable-s2](https://www.desertcart.de/products/707055134-mbs1-4mm-hex-bit-screwdriver-set-9-pcs-durable-s2) --- *Product available on Desertcart Germany* *Store origin: DE* *Last updated: 2026-08-03*