---
product_id: 7716255
title: "Spring Assist 4\" Practice Fighting Folding Metal Knife Folder Trainer #B police karate martial arts training"
brand: "ronin gear"
price: "€ 52.96"
currency: EUR
in_stock: false
category: "Misc."
url: https://www.desertcart.hr/products/7716255-spring-assist-4-practice-fighting-folding-metal-knife-folder-trainer
store_origin: HR
region: Croatia
---

# Spring Assist 4" Practice Fighting Folding Metal Knife Folder Trainer #B police karate martial arts training

**Brand:** ronin gear
**Price:** € 52.96
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** Spring Assist 4" Practice Fighting Folding Metal Knife Folder Trainer #B police karate martial arts training by ronin gear
- **How much does it cost?** € 52.96 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/7716255-spring-assist-4-practice-fighting-folding-metal-knife-folder-trainer)

## Best For

- ronin gear enthusiasts

## Why This Product

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

## Description

New from Ronin Gear!  Slot Handle Spring Assist  #B

Designed to make your training more effective by adding the psychological aspect of handling an assault with a realistic folding blade!  This heavy-duty spring assist knife features a drilled 3.25" stainless steel rounded & dulled blade which opens with a touch of the lever.  Ideal for all types of knife training.  Solid metal construction with belt clip, liner lock, thumb lug and 'spring assist lever'.  4.5" closed, 8" open.  This enhances your training by making it more 'reality based'; something most plastic or wooden knives can't provide.  With this knife you can practice disarming techniques and create different scenarios of attack.   Perfect for martial arts schools, police departments and military training.  There are no sharp edges to cause serious injury. 

Note: this knife has a dull practice blade which cannot be sharpened.

Caution: Always train under proper supervision!

## Features

- Realistic All Metal Safety Spring Assist Folding Knife #B
- 3.25" Rounded & Dulled Safety Steel Blade!
- Spring Assist Instant One-Hand Opening Blade!
- For Martial Arts Schools, Police and Military Training!
- Always train under proper supervision!

## Images

![Spring Assist 4" Practice Fighting Folding Metal Knife Folder Trainer #B police karate martial arts training - Image 1](http://ecx.images-amazon.com/images/I/31uK9Uda8tL.jpg)
![Spring Assist 4" Practice Fighting Folding Metal Knife Folder Trainer #B police karate martial arts training - Image 2](http://ecx.images-amazon.com/images/I/41jvLaUAIbL.jpg)
![Spring Assist 4" Practice Fighting Folding Metal Knife Folder Trainer #B police karate martial arts training - Image 3](http://ecx.images-amazon.com/images/I/41gQs0BOdcL.jpg)
![Spring Assist 4" Practice Fighting Folding Metal Knife Folder Trainer #B police karate martial arts training - Image 4](http://ecx.images-amazon.com/images/I/416FKO8L07L.jpg)
![Spring Assist 4" Practice Fighting Folding Metal Knife Folder Trainer #B police karate martial arts training - Image 5](http://ecx.images-amazon.com/images/I/4127EH7mMIL.jpg)

---

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**Shop now:** [https://www.desertcart.hr/products/7716255-spring-assist-4-practice-fighting-folding-metal-knife-folder-trainer](https://www.desertcart.hr/products/7716255-spring-assist-4-practice-fighting-folding-metal-knife-folder-trainer)

---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-04-23*