---
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: "NT$886"
currency: TWD
in_stock: true
reviews_count: 13
category: "Oknife"
url: https://www.desertcart.tw/products/704757503-mbs1-4mm-hex-bit-screwdriver-set-9-pcs-durable-s2
store_origin: TW
region: Taiwan
---

# 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:** NT$886
**Availability:** ✅ In Stock

## Summary

> 🛠️ Elevate your toolkit game—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?** NT$886 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/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

- • **Precision Meets Power:** Crafted from premium S2 tool steel for unmatched hardness and wear resistance—built to outlast 99% of competitors.
- • **All-in-One Versatility:** 9 double-ended bits cover a wide range of screw types and sizes, perfect for Opry, D1, U1 Pro, and other 4mm hex drivers.
- • **Lightweight Durability:** Weighing just 1.19 ounces, this set delivers professional-grade toughness without bulk—ideal for managers who demand efficiency.
- • **Secure & Sleek Storage:** TPR rubber sleeves lock bits in place, plus a hanging hole and compact frosted bag for effortless portability and organization.
- • **EDC-Ready Eternal Pencil:** Unique reusable pencil included for marking and writing on the go—no sharpening needed, always ready.

## 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, secure TPR rubber sleeves for bit retention, and a compact, portable design compatible with Opry, D1, U1 Pro series, and other 4mm hex nut drivers. Lightweight yet tough, this set is engineered for professionals and DIYers seeking precision, versatility, and convenience.

## 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: 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.
Review: Very well thought out design - Nice set of bits, I like the flexible lower side to push the bits out, the pencil is an awesome EDC carry for my folding utility knife with the 4mm bit holder

## 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 | #26,699 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #176 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 | 4.6 out of 5 stars 176 Reviews |
| Drive Bit Shank Style | hex |
| Drive End Style | Hex Shank |
| Drive System | Phillips , Hex |
| Finish Type | Nickel Plated |
| Finish Types | Nickel Plated |
| Item Weight | 1.19 Ounces |
| Manufacturer | OKNIFE |
| Manufacturer Part Number | 1 |
| Material | Tool Steel |
| Material Type | Tool Steel |
| Model Number | MBS1 |
| Number of Pieces | 18 |
| Set Name | MBS1 |
| 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

### ⭐⭐⭐⭐⭐ 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.

### ⭐⭐⭐⭐⭐ Very well thought out design
*by E***N on June 7, 2026*

Nice set of bits, I like the flexible lower side to push the bits out, the pencil is an awesome EDC carry for my folding utility knife with the 4mm bit holder

### ⭐⭐⭐⭐ Great bits to have around great packaging
*by M***H on March 17, 2026*

Awesome variety of different pets pretty cool the container that they come in as nice. It’s a great holder very lightweight useful for my small screwdrivers.

## 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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**Shop now:** [https://www.desertcart.tw/products/704757503-mbs1-4mm-hex-bit-screwdriver-set-9-pcs-durable-s2](https://www.desertcart.tw/products/704757503-mbs1-4mm-hex-bit-screwdriver-set-9-pcs-durable-s2)

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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-07-03*