---
product_id: 287622702
title: "AIFUSI Butterfly Knife Trainer: Practice Steel Metal Folding Knife, Unsharpened Blade (Black)"
brand: "aifusi"
price: "¥2312"
currency: JPY
in_stock: true
reviews_count: 13
category: "Aifusi"
url: https://www.desertcart.jp/products/287622702-aifusi-butterfly-knife-trainer-practice-steel-metal-folding-knife-unsharpened
store_origin: JP
region: Japan
---

# Solid pin & copper washer construction Perfect weight balance for smooth flipping Unsharpened blade for safe practice AIFUSI Butterfly Knife Trainer: Practice Steel Metal Folding Knife, Unsharpened Blade (Black)

**Brand:** aifusi
**Price:** ¥2312
**Availability:** ✅ In Stock

## Summary

> 🦋 Master the art of the flip—fearlessly and flawlessly!

## Quick Answers

- **What is this?** AIFUSI Butterfly Knife Trainer: Practice Steel Metal Folding Knife, Unsharpened Blade (Black) by aifusi
- **How much does it cost?** ¥2312 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/287622702-aifusi-butterfly-knife-trainer-practice-steel-metal-folding-knife-unsharpened)

## Best For

- aifusi enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Premium stainless steel with solid pin and copper washers ensures durability through countless practice sessions.
- • **Flawless Flip Control:** Engineered with a perfectly centered mass for silky smooth, confident flips every time.
- • **Lightweight & Portable:** At just 9 grams, this sleek trainer fits effortlessly in your pocket or bag for on-the-go practice.
- • **Safety First, Skill Always:** Unsharpened blade design eliminates risk, letting you master tricks without fear of cuts or bruises.
- • **The Ultimate Gift for Knife Enthusiasts:** Share the thrill of flipping safely—perfect for friends eager to level up their skills without the danger.

## Overview

The AIFUSI Butterfly Knife Trainer is a lightweight, foldable practice knife featuring a perfectly balanced, unsharpened stainless steel blade. Designed with solid pin construction and copper washers, it offers durability and smooth flipping action, making it the ideal safe training tool for beginners and enthusiasts alike.

## Description

The Black and Silver Butterfly offers a dull trainer blade for practicing your flipping skills. It features solid stainless steel construction with handles for reduced weight. The stainless steel trainer blade has a dual tang pin design and the handle has a steel latch. Take your flipping game up a notch with the Silver Trainer.Advantage:1.Light weight, strong and harmless, easy to carry.2.Multifunctional outdoor fork, bottle opener, nail puller.3.The perfect complement for the scout.3.Nice trainer tools for fancy butterfly knife,easy to learn.4.Material:steelTotal Length:approx 8.8in;Blade Length:approx 5.1in;Color:Silver+Black;Package included: 1 pcsNet weight ：0.02Lb per pounds；Tip: Please keep the children away from this product,If you have any problem,please kindly contact us.

Review: Good product and safe - Bought for my son. He likes it and its safe
Review: 🥰 - 🥰

## Features

- NON OFFENSIVE BLADE - This butterfly trainer is perfect for learning how to use the real thing without all the cuts and bruising to the hands. The unsharpened blade of our practice butterfly knife will keep you away from danger as a beginner.
- PREMIUM QUALITY - Durably built and sleek in appearance, This knives give you the confidence to practice without fear. Our carefully designed butterfly knife trainers have a solid pin construction and copper washer setup with a spring latch to ensure these knives are made to last!
- NO RISK & SAFE - This Practice Butterfly Knife has no sharp blades and is perfect for learning how to use the real thing with out all the cuts and bruising to the hands.
- PERFECT CENTER - We calculate a perfect weight balance of the butterfly knife trainer and a perfect center of mass to make sure you can flip it smoothly.
- PERFECT GIFT- This is a gift one for your friend if they are a butterfly knives lover; they can practice without harmful yourself.Just share these with your friends.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07RYPJ33F |
| Brand | AIFUSI |
| Color | Black |
| Customer Reviews | 4.0 4.0 out of 5 stars (1,338) |
| Date First Available | 20 December 2019 |
| Item Weight | 9.07 g |
| Product Dimensions | 22.35 x 0.03 x 0.03 cm; 9.07 g |
| Special Features | Foldable |

## Product Details

- **Age range (description):** over 10 years old
- **Brand:** AIFUSI
- **Model name:** Butterfly Knife Trainer
- **Recommended uses for product:** Butterfly Knife Trainer for beginners to Practice flipping tricks
- **Special features:** Foldable

## Images

![AIFUSI Butterfly Knife Trainer: Practice Steel Metal Folding Knife, Unsharpened Blade (Black) - Image 1](https://m.media-amazon.com/images/I/61TiK1W9P1L.jpg)

## Questions & Answers

**Q: Can you sharpen it after you are good at using it?**
A: No, it cann't sharpened.

**Q: What kind of screwdriver will tighten/loosen the screws?**
A: I dont know but the screw is really small mine handle split becuz the screw fell of but i just duck taped it together

**Q: how do i loosen it so it can be used? it's too stiff :((( big bummer**
A: 3 in 1 oil works

**Q: Is there a Spring latch**
A: Nope

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good product and safe
*by A***R on 10 November 2025*

Bought for my son. He likes it and its safe

### ⭐⭐⭐⭐⭐ 🥰
*by P***O on 14 April 2025*

🥰

### ⭐⭐⭐⭐ Good quality metal
*by F***A on 10 February 2025*

It’s kinda stuff to spin and as a bigger you may find it a bit painful if you get too excited in flipping.

## Frequently Bought Together

- AIFUSI Butterfly Knife Trainer Practice Steel Metal Folding Knife Balisong Training Knife Comb for CS GO Training Unsharpened Blade (Black
- TOPCOM Butterfly Trainer, Unsharp-Blade Practice Training Tool Stainless Steel

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-02*