---
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: "E£ 3903"
currency: EGP
in_stock: true
reviews_count: 5
category: "Oknife"
url: https://www.desertcart.com.eg/products/707055134-mbs1-4mm-hex-bit-screwdriver-set-9-pcs-durable-s2
store_origin: EG
region: Egypt
---

# 9 versatile double-ended bits for all your hex needs Reusable Eternal Pencil for on-the-go marking Premium S2 tool steel for unmatched durability 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:** E£ 3903
**Availability:** ✅ In Stock

## Summary

> 🛠️ Elevate your toolkit with precision, durability, and style — never miss a beat!

## 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?** E£ 3903 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.eg](https://www.desertcart.com.eg/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

- • **Mark Your Territory:** Innovative Eternal Pencil included—no sharpening needed, ideal for quick notes and precise markings on the job.
- • **Secure Grip, Zero Loss:** TPR rubber sleeves hold bits firmly in place, while the hanging hole and compact case keep your set organized and portable.
- • **All-in-One Precision Kit:** 9 double-ended bits cover a wide range of screw sizes, perfectly compatible with Opry, D1, and U1 Pro series tools.
- • **Sleek, Compact & Ready to Go:** Lightweight 33.7g design fits effortlessly in your EDC or toolbox, ensuring you’re always prepared for any task.
- • **Built to Last, Crafted to Perform:** Nickel-plated S2 tool steel bits resist wear and corrosion, outlasting 99% of competitors.

## Overview

The OKNIFE MBS1 9-piece bit set features premium nickel-plated S2 tool steel double-ended bits designed for exceptional hardness and wear resistance. Compatible with popular 4mm hex nut drivers like Opry, D1, and U1 Pro series, it includes a unique reusable Eternal Pencil for marking tasks. Secure TPR rubber sleeves and a compact carry case ensure portability and organization, making this set ideal for professionals and DIY enthusiasts seeking reliable, versatile 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: 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: 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.

## 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 |
| ASIN  | B0DYD15BJC |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #85,752 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #983 in Screwdriver Sets |
| Color | Black |
| Compatible Fastener Range | Hex Head Screws (4mm, M4, M5, M6, M8, M10) |
| Customer Reviews | 4.7 4.7 out of 5 stars (125) |
| Customer reviews | 4.7 4.7 out of 5 stars (125) |
| Date First Available | 3 March 2025 |
| Date First Available  | 3 March 2025 |
| Finish | Nickel Plated |
| Head Style | Hex |
| Item Package Quantity | 1 |
| Item Weight | 33.7 g |
| Item model number | MBS1 |
| Item model number  | MBS1 |
| Manufacturer | OKNIFE |
| 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 |
| Product Dimensions  | 8.13 x 3.38 x 0.79 cm; 33.73 g |
| Special Features | Eternal Pencil |

## 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

### ⭐⭐⭐⭐ Review
*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！

### ⭐⭐⭐⭐⭐ Review
*by S***S on 26 November 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.

### ⭐⭐⭐⭐⭐ Review
*by K***L on 21 December 2025*

Super Set zum immer dabei haben. Die Bits halten auch ein bisschen Drehmoment aus und brechen nicht gleich.

## 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
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- 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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**Shop now:** [https://www.desertcart.com.eg/products/707055134-mbs1-4mm-hex-bit-screwdriver-set-9-pcs-durable-s2](https://www.desertcart.com.eg/products/707055134-mbs1-4mm-hex-bit-screwdriver-set-9-pcs-durable-s2)

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*Product available on Desertcart Egypt*
*Store origin: EG*
*Last updated: 2026-03-18*