---
product_id: 539557125
title: "GOOD WORKER Butterfly Knife - Balisong Trainer - Black Practice Butterfly Trainer with Sure Spring Latch - Balisong Knives NOT Real NOT Sharp Blade - Full Stainless Steel Fake Dull Trick"
brand: "good worker"
price: "₩47414"
currency: KRW
in_stock: true
reviews_count: 8
category: "Good Worker"
url: https://www.desertcart.kr/products/539557125-good-worker-butterfly-knife-balisong-trainer-black-practice-butterfly-trainer
store_origin: KR
region: South Korea
---

# Precision-tuned pivots & spring latch 3.94" stainless steel blade Lightweight 4.69 oz for effortless flipping GOOD WORKER Butterfly Knife - Balisong Trainer - Black Practice Butterfly Trainer with Sure Spring Latch - Balisong Knives NOT Real NOT Sharp Blade - Full Stainless Steel Fake Dull Trick

**Brand:** good worker
**Price:** ₩47414
**Availability:** ✅ In Stock

## Summary

> 🦋 Flip Fearlessly, Train Like a Pro!

## Quick Answers

- **What is this?** GOOD WORKER Butterfly Knife - Balisong Trainer - Black Practice Butterfly Trainer with Sure Spring Latch - Balisong Knives NOT Real NOT Sharp Blade - Full Stainless Steel Fake Dull Trick by good worker
- **How much does it cost?** ₩47414 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/539557125-good-worker-butterfly-knife-balisong-trainer-black-practice-butterfly-trainer)

## Best For

- good worker enthusiasts

## Why This Product

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

## Key Features

- • **Engineered for Balance:** 420C stainless steel with reinforced screws delivers durable, smooth handling.
- • **Safe, Cut-Free Practice:** Unsharpened blade ensures zero injuries while mastering tricks.
- • **Ambidextrous & Ergonomic:** Non-slip handles designed for both left and right-handed users.
- • **Pro-Level Flipping Action:** Precision-tuned pivots and spring latch create flawless, satisfying flips every time.
- • **Adjustable Tension Control:** Easily tighten or loosen pivots for personalized flipping resistance.

## Overview

The GOOD WORKER Butterfly Knife Trainer is a premium 420C stainless steel balisong designed for safe, injury-free practice. Featuring a 3.94-inch unsharpened blade, precision-tuned pivots, and a spring latch, it offers balanced, smooth flipping action for beginners and experts alike. Lightweight and ambidextrous, this durable trainer is perfect for mastering tricks without the risk of cuts.

## Description

desertcart.com : GOOD WORKER Butterfly Knife - Balisong Trainer - Black Practice Butterfly Trainer with Sure Spring Latch - Balisong Knives NOT Real NOT Sharp Blade - Full Stainless Steel Fake Dull Trick CSGO K19 B : Sports & Outdoors

Review: Good product - It's a good trainer it's fun to use it's easy to grab not the best way in my opinion but it's all right durability is seems good and good value would probably buy again if I would ever need another
Review: Would buy again - Very sturdy and quiet. It’s also a very good deal for this cheap.

## Features

- BLACK BUTTERFLY KNIFE is made of 420C stainless steel (58 HRC) with reinforced screws & pins, providing a reliable training experience. Lock type - spring latch; Blade length - 3.94"; Handle length - 5.12"; Overall length - 9.06"; Weight - 4.69 OZ.
- SAFE BLADE. Balisong has unsharpened blade, ensuring practice without any cuts, injuries or bruising to the hands. Our butterfly knife can't be sharpened due to its design.
- DURABLE BUILD. We use high-quality stainless steel with with reinforced screws, pins and spring latch. Our training butterfly knife is designed for optimal balance, durability, handling and reliable use through practice sessions.
- PERFECT FLIPPING ACTION. Precision-tuned pivots and a non-slip ergonomic handle deliver the perfect experience for beginners, teens, adults and experts.
- INSTRUCTION TO LOOSE / TIGHTEN YOUR BALISONG. Open the latch located on the bottom of the butterfly, hold the handle and tighten the pivot screw using a suitable screwdriver (located where the handle meets the blade base). Repeat the process for the other handle. Ensure that the handles aren't overtightened!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BYP86GXG |
| Age Range (Description) | Adult |
| Age Range Description | Adult |
| Best Sellers Rank | #43,163 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #2 in Martial Arts Ninja Weapons |
| Blade Length | 3.94 Inches |
| Blade Material | Stainless Steel |
| Blade Shape | Straight Back |
| Brand | GOOD WORKER |
| Brand Name | GOOD WORKER |
| Color | 1. Black |
| Customer Package Type | Standard Packaging |
| Customer Reviews | 4.3 out of 5 stars 550 Reviews |
| Hand Orientation | Ambidextrous |
| Handle Material | Stainless Steel |
| Included Components | No |
| Is Product Cordless | Yes |
| Item Height | 0.39 inches |
| Item Length | 9.06 Inches |
| Item Weight | 133 Grams |
| Manufacturer | GOOD WORKER |
| Model Name | K19B |
| Model Number | K19B |
| Product Care Instructions | Hand Wash Only |
| Recommended Uses For Product | Training |
| Reusability | Reusable |
| Special Feature | Lightweight |
| Special Features | Lightweight |
| Style | Modern |
| Theme | Sport |
| Unit Count | 1.0 Count |
| Warranty Description | no |

## Product Details

- **Age Range (Description):** Adult
- **Blade Material:** Stainless Steel
- **Brand:** GOOD WORKER
- **Color:** 1. Black
- **Handle Material:** Stainless Steel
- **Included Components:** No
- **Model Name:** K19B
- **Recommended Uses For Product:** Training
- **Special Feature:** Lightweight
- **Style:** Modern

## Images

![GOOD WORKER Butterfly Knife - Balisong Trainer - Black Practice Butterfly Trainer with Sure Spring Latch - Balisong Knives NOT Real NOT Sharp Blade - Full Stainless Steel Fake Dull Trick - Image 1](https://m.media-amazon.com/images/I/71f+-s-1dLL.jpg)

## Available Options

This product comes in different **Color** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good product
*by R***O on July 19, 2025*

It's a good trainer it's fun to use it's easy to grab not the best way in my opinion but it's all right durability is seems good and good value would probably buy again if I would ever need another

### ⭐⭐⭐⭐⭐ Would buy again
*by Z***. on November 3, 2025*

Very sturdy and quiet. It’s also a very good deal for this cheap.

### ⭐⭐⭐⭐ Tighten the screws upon unboxing
*by C***R on January 1, 2026*

I would give it a 5 but I got it out of the box and within the first couple hours the screws came out and flew off. Its my fault I didn't tighten it before using but golly they weren't that loose to begin with.

## Frequently Bought Together

- Butterfly Knife - Balisong Trainer - Black Practice Butterfly Trainer with Sure Spring Latch - Balisong Knives NOT Real NOT Sharp Blade - Full Stainless Steel Fake Dull Trick CSGO Fidget Toy K19 B
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- GOOD WORKER Butterfly Trainer - Practice Sword NOT Real - Balisong NOT Sharp Blade - Cool Design - Black Dull Trick Butterfly - Butter Fly Training - Gifts for Men Boys Girls K14B

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**Shop now:** [https://www.desertcart.kr/products/539557125-good-worker-butterfly-knife-balisong-trainer-black-practice-butterfly-trainer](https://www.desertcart.kr/products/539557125-good-worker-butterfly-knife-balisong-trainer-black-practice-butterfly-trainer)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-01-24*