---
product_id: 172762541
title: "Sanrenmu B4-781 Stylish Pocket Knife with Back Lock"
brand: "sanrenmu"
price: "¥4796"
currency: JPY
in_stock: true
category: "Sporting Goods"
url: https://www.desertcart.jp/products/172762541-sanrenmu-b4-781-stylish-pocket-knife-with-back-lock
store_origin: JP
region: Japan
---

# Sanrenmu B4-781 Stylish Pocket Knife with Back Lock

**Brand:** sanrenmu
**Price:** ¥4796
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Sanrenmu B4-781 Stylish Pocket Knife with Back Lock by sanrenmu
- **How much does it cost?** ¥4796 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/172762541-sanrenmu-b4-781-stylish-pocket-knife-with-back-lock)

## Best For

- sanrenmu enthusiasts

## Why This Product

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

## Description

Brand: Sanrenmu Lock Type: Back Lock Blade Edge Type: Fine Blade Length Range: 5cm-10cm Weight Range: 51g-100g For: Camping,Hiking,Adventure,Travel,Collecting,Mountaineering Blade Material: Stainless Steel Unfold Length: 16 cm Blade Length: 5.5 cm Blade Width : 2.1 cm Main Features: Sanrenmu B4-781 folding knife, with back lock function, safe and convenient to use When folding the blade, push the back lock and push the back of blade lightly Stainless steel blade, durable and sharp Colorful spectral titanium nitride coating, good looking Ergonomically designed handle, comfortable to hold With a hanging strap on handle, you can hang it on your backpack Nice tool for camping, hunting, hiking, adventure, and home use Note: Keep it away from children, they may hurt themselves

## Features

- Blade Material: Stainless Steel
- Unfold Length: 16 cm
- Blade Length: 5.5 cm
- Lock Type: Back Lock
- For: Camping,Hiking,Adventure,Travel,Collecting,Mountaineering

## Images

![Sanrenmu B4-781 Stylish Pocket Knife with Back Lock - Image 1](https://images-na.ssl-images-amazon.com/images/I/31GRtzN68IL.jpg)
![Sanrenmu B4-781 Stylish Pocket Knife with Back Lock - Image 2](https://images-na.ssl-images-amazon.com/images/I/71OeWB2PDWL.jpg)
![Sanrenmu B4-781 Stylish Pocket Knife with Back Lock - Image 3](https://images-na.ssl-images-amazon.com/images/I/61EHbN818%2BL.jpg)
![Sanrenmu B4-781 Stylish Pocket Knife with Back Lock - Image 4](https://images-na.ssl-images-amazon.com/images/I/71Lj6CK29dL.jpg)

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**Shop now:** [https://www.desertcart.jp/products/172762541-sanrenmu-b4-781-stylish-pocket-knife-with-back-lock](https://www.desertcart.jp/products/172762541-sanrenmu-b4-781-stylish-pocket-knife-with-back-lock)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-10-24*