---
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: "$U1257"
currency: UYU
in_stock: true
reviews_count: 13
category: "Oknife"
url: https://www.desertcart.uy/products/704757503-mbs1-4mm-hex-bit-screwdriver-set-9-pcs-durable-s2
store_origin: UY
region: Uruguay
---

# premium S2 tool steel, ultra durable unique reusable Eternal Pencil 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:** $U1257
**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?** $U1257 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.uy](https://www.desertcart.uy/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 top-tier S2 tool steel for unmatched hardness and wear resistance—outlasting 99% of competitors.
- • **All-in-One Versatility:** 9 double-ended bits covering T, PH, SL, and H sizes to tackle any 4mm hex nut driver challenge with ease.
- • **Secure & Sleek Storage:** TPR rubber sleeves lock bits in place; compact frosted bag with hanging hole keeps your set organized and travel-ready.
- • **Eternal Pencil Innovation:** Exclusive reusable pencil included—no sharpening needed, perfect for marking and note-taking on the go.
- • **Lightweight & Ready for Action:** At just 1.19 ounces, this set fits effortlessly in your EDC or tool kit—be the pro who’s always prepared.

## Overview

The OKNIFE MBS1 is a premium 9-piece 4mm hex bit screwdriver set made from durable S2 tool steel with a nickel-plated finish for superior longevity. Featuring double-ended bits compatible with Opry, D1, U1 Pro Series, and other 4mm hex nut drivers, it includes a unique reusable Eternal Pencil for enhanced functionality. Designed for professionals and DIY enthusiasts, the set offers secure storage with TPR sleeves and a compact carrying case, combining versatility, durability, and portability in one sleek package.

## 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 |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #21,860 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #137 in Screwdriver Sets |
| Bit Compatibilities | Hex Head Screws (4mm, M4, M5, M6, M8, M10) |
| Brand | OKNIFE |
| Color | Black |
| Compatible Fastener Range | Hex Head Screws (4mm, M4, M5, M6, M8, M10) |
| Customer Reviews | 4.7 4.7 out of 5 stars (122) |
| Date First Available | February 25, 2025 |
| Drive Bit Shank Style | hex |
| Drive System | Phillips, Hex |
| Finish | Nickel Plated |
| Finish Type | Nickel Plated |
| Head Style | Hex |
| Item Package Quantity | 1 |
| Item Weight | 1.19 ounces |
| Item model number | MBS1 |
| Manufacturer | OKNIFE |
| Material | Tool Steel |
| Number of Pieces | 18 |
| Part Number | 1 |
| Product Dimensions | 3.2 x 1.33 x 0.31 inches |
| 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

### ⭐⭐⭐⭐⭐ 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.

### ⭐⭐⭐⭐⭐ Great bit set.
*by G***W on November 16, 2025*

This bit set is perfect for what I need it for. Working on my RC trucks and maintenance on my pocket knives.

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

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*Product available on Desertcart Uruguay*
*Store origin: UY*
*Last updated: 2026-02-20*