--- product_id: 704757503 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: "104 zł" currency: PLN in_stock: true reviews_count: 13 category: "Oknife" url: https://www.desertcart.pl/products/704757503-mbs1-4mm-hex-bit-screwdriver-set-9-pcs-durable-s2 store_origin: PL region: Poland --- # 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:** 104 zł **Availability:** ✅ In Stock ## Summary > 🛠️ Elevate your toolkit with the ultimate 9-in-1 precision power set! ## 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?** 104 zł with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/704757503-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 - • **Built to Last:** Crafted from premium S2 tool steel with nickel plating for unmatched hardness and wear resistance. - • **Secure & Portable:** TPR rubber sleeves lock bits in place; compact frosted bag with hanging hole for easy carry and storage. - • **All-in-One Precision Kit:** 9 double-ended bits cover every small screw need from T1 to T15, PH00 to SL3.5. - • **Innovative Eternal Pencil:** Unique reusable pencil for marking and writing—no sharpening needed, boosting your workflow. - • **Perfect for Pros & DIYers:** Compatible with Opry, D1, U1 Pro Series and other 4mm hex drivers—your everyday essential multitool. ## Overview The OKNIFE MBS1 is a 9-piece double-ended 4mm hex bit screwdriver set made from premium S2 tool steel with nickel plating for superior durability. It includes a unique reusable Eternal Pencil for marking tasks and features secure TPR rubber sleeves and a compact storage case. Compatible with Opry, D1, U1 Pro Series, and other 4mm hex nut drivers, this set is designed for professionals and DIY enthusiasts seeking a versatile, long-lasting, and portable tool solution. ## Description desertcart.com: 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 : Tools & Home Improvement Review: This little bit set is wicked! - Omg!! This little bit set is amazing. And it works with the HOTO mini screwdriver even the pencil. I can decide if I keep the whole sleeve in my EDC or just run that bit set in the HOTO. Again this is very nice. The bits look and feel look great. Good quality at a good price. Review: Great bit set and a pencil as well! But this! - 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 desertcart or olight directly. Lightweight super durable bits. Small storage footprint and excellent value. ## 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 | #28,173 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #172 in Screwdriver Sets | | Bit Compatibilities | Hex Head Screws (4mm, M4, M5, M6, M8, M10) | | Brand Name | OKNIFE | | Customer Reviews | 4.7 4.7 out of 5 stars (145) | | Drive Bit Shank Style | hex | | Drive System | Phillips, Hex | | Finish Types | Nickel Plated | | Item Weight | 1.19 Ounces | | Manufacturer | OKNIFE | | Material Type | Tool Steel | | Model Number | MBS1 | | Number of Pieces | 18 | | Unit Count | 1.0 Count | ## Product Details - **Brand:** OKNIFE - **Drive System:** Phillips, Hex - **Finish Type:** Nickel Plated - **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 ### ⭐⭐⭐⭐⭐ This little bit set is wicked! *by S***S on November 26, 2025* Omg!! This little bit set is amazing. And it works with the HOTO mini screwdriver even the pencil. I can decide if I keep the whole sleeve in my EDC or just run that bit set in the HOTO. Again this is very nice. The bits look and feel look great. Good quality at a good price. ### ⭐⭐⭐⭐⭐ Great bit set and a pencil as well! But this! *by E***P on October 19, 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. ### ⭐⭐⭐⭐⭐ Oknife is the best as always. *by A***R on March 11, 2026* Great addition to my oknife screw drivers and multitools. ## 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.pl/products/704757503-mbs1-4mm-hex-bit-screwdriver-set-9-pcs-durable-s2](https://www.desertcart.pl/products/704757503-mbs1-4mm-hex-bit-screwdriver-set-9-pcs-durable-s2) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-04-23*