---
product_id: 486590174
title: "Sonuimy 2-Stage Retractable Ceramic Mini Box Cutter, Safety Box Opener with Lock, Magnetic Package Opener Keychain, Small Pocket Utility Knife Tool Knives for Warehouse Office Work Cardboard -3PCS"
brand: "sonuimy"
price: "R$568"
currency: BRL
in_stock: true
url: https://www.desertcart.com.br/products/486590174-sonuimy-2-stage-retractable-ceramic-mini-box-cutter-safety-box
store_origin: BR
region: Brazil
---

# Ceramic blade lasts 12x longer than metal Locking blade for ultimate safety Strong magnet for easy storage Sonuimy 2-Stage Retractable Ceramic Mini Box Cutter, Safety Box Opener with Lock, Magnetic Package Opener Keychain, Small Pocket Utility Knife Tool Knives for Warehouse Office Work Cardboard -3PCS

**Brand:** sonuimy
**Price:** R$568
**Availability:** ✅ In Stock

## Summary

> 🔪 Cut smarter, not harder—unlock efficiency with every slice!

## Quick Answers

- **What is this?** Sonuimy 2-Stage Retractable Ceramic Mini Box Cutter, Safety Box Opener with Lock, Magnetic Package Opener Keychain, Small Pocket Utility Knife Tool Knives for Warehouse Office Work Cardboard -3PCS by sonuimy
- **How much does it cost?** R$568 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/486590174-sonuimy-2-stage-retractable-ceramic-mini-box-cutter-safety-box)

## Best For

- sonuimy enthusiasts

## Why This Product

- Trusted sonuimy brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Safety-First Design:** Lockable ceramic blade ensures zero accidental cuts—carry confidently in your pocket or keychain.
- • **Magnetic Convenience:** Powerful magnet sticks to metal surfaces—grab it instantly when you need it, no hooks required.
- • **Tested for Excellence:** Passed 15+ rigorous tests including drop, safety, and durability—built to keep up with your fast-paced workday.
- • **Ultra-Durable Ceramic Blade:** Calcinated at 2732℉, this blade outlasts metal alternatives by 12 times—less blade swaps, more productivity.
- • **Dual-Stage Precision Cutting:** Two retractable blade lengths for versatile slicing—from delicate envelopes to tough boxes.

## Overview

The Sonuimy 2-Stage Retractable Ceramic Mini Box Cutter is a compact, safety-first utility knife featuring a lockable, ultra-durable ceramic blade that lasts 12 times longer than metal. Its dual-stage retractable design adapts to various cutting needs, while a strong magnet and keychain hole ensure it’s always within reach. Perfect for professionals in warehouses, offices, and homes seeking a reliable, low-maintenance cutting tool.

## Description

Sonuimy 2-Stage Retractable Ceramic Mini Box Cutter, Safety Box Opener with Lock, Magnetic Package Opener Keychain, Small Pocket Utility Knife Tool Knives for Warehouse Office Work Cardboard -3PCS

## Features

- 【SAFETY & LOCK BLADE DESIGN】Have you ever cut your hand by box cutter? Please rest assured that ours will never scratch your hand; It has locking blade design and thickened ceramic blades; Even if you touch it, it will not hurt your hand; Our mini box opener can put in your pocket with confidence
- 【2-STAGE RETRACTABLE】 Humanized retractable design; On stage-1, you can use it for opening packages, wrapping tape, coupons, letters, mails, plastic bags, envelope, food/snack bags and paper cuts and slices; On stage-2, you can open boxes, cut string, parcels or large boxes; Easy to use in the office, warehouse, kitchen, work, home ect.
- 【STRONG MAGNET】The Sonuimy Safety Ceramic Cutter is equipped with strong magnet; You can easily attach it on the fridge or iron shelf without a hook, so handy; With keychain hole to effectively prevent loss
- 【DURABLE CERAMIC BLADE】The ceramic blade is calcinated to 2732℉ high temperature, hardness is second only to diamond; So our long lifespan ceramic blade is equal to 12 metal blades; No need to change blades; Blade thickness : 0.05''
- 【BUY WITH CONFIDENCE】Each of our small utility knife have passed over 15 tests including cutting, safety, magnetic, dropping, hardness, retractable, durability before reaching users
- 【NOTICE】Turn on the lock switch before use

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Sonuimy |
| Part number | box cutter |
| Item Weight | 50 g |
| Package Dimensions | 13.31 x 11.2 x 2.69 cm; 50 g |
| Item model number | 无 |
| Size | 3Pack |
| Color | Red Blue Black |
| Style | Retractable |
| Material | Plastic |
| Item Package Quantity | 1 |
| Handle Material | Plastic |
| Blade Length | 0.28 Inches |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Material:** Plastic
- **Brand:** Sonuimy
- **Colour:** Red Blue Black
- **Item length:** 3.7 Inches
- **Handle material:** Plastic

## Images

![Sonuimy 2-Stage Retractable Ceramic Mini Box Cutter, Safety Box Opener with Lock, Magnetic Package Opener Keychain, Small Pocket Utility Knife Tool Knives for Warehouse Office Work Cardboard -3PCS - Image 1](https://m.media-amazon.com/images/I/617UBMRQ4TL.jpg)
![Sonuimy 2-Stage Retractable Ceramic Mini Box Cutter, Safety Box Opener with Lock, Magnetic Package Opener Keychain, Small Pocket Utility Knife Tool Knives for Warehouse Office Work Cardboard -3PCS - Image 2](https://m.media-amazon.com/images/I/71PHQ3kEddL.jpg)
![Sonuimy 2-Stage Retractable Ceramic Mini Box Cutter, Safety Box Opener with Lock, Magnetic Package Opener Keychain, Small Pocket Utility Knife Tool Knives for Warehouse Office Work Cardboard -3PCS - Image 3](https://m.media-amazon.com/images/I/71CKo+N70DL.jpg)
![Sonuimy 2-Stage Retractable Ceramic Mini Box Cutter, Safety Box Opener with Lock, Magnetic Package Opener Keychain, Small Pocket Utility Knife Tool Knives for Warehouse Office Work Cardboard -3PCS - Image 4](https://m.media-amazon.com/images/I/71wBsf28mcL.jpg)
![Sonuimy 2-Stage Retractable Ceramic Mini Box Cutter, Safety Box Opener with Lock, Magnetic Package Opener Keychain, Small Pocket Utility Knife Tool Knives for Warehouse Office Work Cardboard -3PCS - Image 5](https://m.media-amazon.com/images/I/71oUGJ03ilL.jpg)

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.com.br/products/486590174-sonuimy-2-stage-retractable-ceramic-mini-box-cutter-safety-box](https://www.desertcart.com.br/products/486590174-sonuimy-2-stage-retractable-ceramic-mini-box-cutter-safety-box)

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*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-01-23*