---
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: "€ 47.18"
currency: EUR
in_stock: true
reviews_count: 8
category: "Oknife"
url: https://www.desertcart.fr/products/704757520-mbs1-4mm-hex-bit-screwdriver-set-9-pcs-durable-s2
store_origin: FR
region: France
---

# 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:** € 47.18
**Availability:** ✅ In Stock

## Summary

> 🛠️ Elevate your toolkit game with precision and style — because every detail counts!

## 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?** € 47.18 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/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

- • **Eternal Pencil Included:** Mark, write, and plan on the go with a reusable pencil that never needs sharpening—your secret productivity weapon.
- • **Secure & Organized Storage:** TPR rubber sleeves and a sleek frosted case keep your bits locked in place and ready for action wherever you go.
- • **Versatile 9-Piece Double-Ended Set:** Cover all your bases with 18 bit sizes in one compact kit, perfect for Opry, D1, and U1 Pro series tools.
- • **Built to Last with Premium S2 Steel:** Experience unmatched hardness and wear resistance that outperforms 99% of competitors.
- • **Compact Portability Meets Professional Grade:** Lightweight and stylish, this set fits effortlessly into your toolkit or bag—never miss a job or a moment.

## Overview

The OKNIFE MBS1 9-Piece Hex Bit Screwdriver Set features premium nickel-plated S2 tool steel double-ended bits for superior durability and corrosion resistance. Designed for compatibility with Opry, D1, and U1 Pro series tools, it includes 18 versatile bit sizes and a unique reusable Eternal Pencil for marking tasks. Secure TPR rubber sleeves and a compact carrying case ensure organized portability, making it an essential, professional-grade accessory for both pros and DIY enthusiasts.

## 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 |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 304,440 in DIY & Tools ( See Top 100 in DIY & Tools ) 2,971 in Screwdriver Sets |
| Colour | Black |
| Compatible fastener range | Hex Head Screws (4mm, M4, M5, M6, M8, M10) |
| Customer Reviews | 4.7 4.7 out of 5 stars (121) |
| Date First Available | 3 Mar. 2025 |
| Finish | Nickel Plated |
| Head Style | Hex |
| Item Package Quantity | 1 |
| Item Weight | 33.7 g |
| Item model number | MBS1 |
| Manufacturer | OKNIFE |
| Material | Tool Steel |
| Number of Pieces | 18 |
| Part Number | 1 |
| Product Dimensions | 8.13 x 3.38 x 0.79 cm; 33.73 g |
| Special Features | Eternal Pencil |

## 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

### ⭐⭐⭐⭐⭐ 4mm reversible bit set
*by M***L on 12 February 2026*

Excellent all good

### ⭐⭐⭐⭐⭐ Decent and Compact
*by A***R 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

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---

*Product available on Desertcart France*
*Store origin: FR*
*Last updated: 2026-03-18*