--- product_id: 704757520 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: "β‚Ή 4795" currency: INR in_stock: true reviews_count: 8 category: "Oknife" url: https://www.desertcart.in/products/704757520-mbs1-4mm-hex-bit-screwdriver-set-9-pcs-durable-s2 store_origin: IN region: India --- # Double-Ended Bits - twice the utility Eternal Pencil - no sharpening needed S2 Tool Steel - ultra durable 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:** β‚Ή 4795 **Availability:** βœ… In Stock ## Summary > πŸ› οΈ Double the bits, endless possibilities β€” never miss a fix! ## 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?** β‚Ή 4795 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.in](https://www.desertcart.in/products/704757520-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 - β€’ **Secure & Organized:** TPR rubber sleeves hold bits firmly in place, preventing loss and ensuring quick access during critical tasks. - β€’ **Compact Portability:** Stylish frosted bag and toothpaste-style box make it easy to carry and store your essential toolkit anywhere. - β€’ **Unmatched Durability:** Crafted from premium S2 tool steel with nickel plating for superior wear resistance and corrosion protection. - β€’ **Versatile 9-Piece Set:** Includes 18 precision tips across 9 double-ended bits, compatible with Opry, D1, U1 Pro, and other 4mm hex drivers. - β€’ **Innovative Eternal Pencil:** Reusable, no-sharpen marking tool built into the set for seamless on-the-job notes and measurements. ## Overview The OKNIFE MBS1 9-Piece Hex Bit Screwdriver Set features premium S2 tool steel double-ended bits with nickel plating for exceptional durability and corrosion resistance. Designed for professionals and enthusiasts, it offers 18 versatile tips compatible with popular 4mm hex drivers, plus a unique reusable Eternal Pencil for marking. Secure TPR sleeves and a compact carrying case ensure your tools stay organized and portable, making this set an indispensable companion for precision work and on-the-go repairs. ## 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+β–³2.3; 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 | 81,617 in DIY & Tools ( See Top 100 in DIY & Tools ) 775 in Screwdriver Sets | | Bit Compatibilities | hand tool | | Brand | OKNIFE | | Customer Reviews | 4.7 4.7 out of 5 stars (146) | | Drive Bit Shank Style | Hex | | Drive System | Phillips, Hex | | Finish | Nickel Plated | | Item Length | 4 Millimetres | | Item Weight | 1.19 Ounces | | Manufacturer | OKNIFE | | Material | Tool Steel | | Model Number | MBS1 | | Number of Pieces | 18 | | 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 ![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 ### ⭐⭐⭐⭐⭐ 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 MicartaοΌ‰ - 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? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.in/products/704757520-mbs1-4mm-hex-bit-screwdriver-set-9-pcs-durable-s2](https://www.desertcart.in/products/704757520-mbs1-4mm-hex-bit-screwdriver-set-9-pcs-durable-s2) --- *Product available on Desertcart India* *Store origin: IN* *Last updated: 2026-05-06*