--- product_id: 219506977 title: "Black Practice Trainer with Durable Build – Safe Cool Design – Training Tool – CSGO Fidget Toy – Perfect for Man, Boyfriend, Father, Son, Teens, – Birthday Gift Idea K10 B" brand: "grand way" price: "AR$58148" currency: ARS in_stock: true reviews_count: 8 category: "Grand Way" url: https://www.desertcart.com.ar/products/219506977-black-practice-trainer-with-durable-build-safe-cool-design-training store_origin: AR region: Argentina --- # Latch lock for secure closure 4.76 oz balanced weight 3.94" stainless steel blade Black Practice Trainer with Durable Build – Safe Cool Design – Training Tool – CSGO Fidget Toy – Perfect for Man, Boyfriend, Father, Son, Teens, – Birthday Gift Idea K10 B **Brand:** grand way **Price:** AR$58148 **Availability:** ✅ In Stock ## Summary > 🖤 Flip like a pro, train like a legend. ## Quick Answers - **What is this?** Black Practice Trainer with Durable Build – Safe Cool Design – Training Tool – CSGO Fidget Toy – Perfect for Man, Boyfriend, Father, Son, Teens, – Birthday Gift Idea K10 B by grand way - **How much does it cost?** AR$58148 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/219506977-black-practice-trainer-with-durable-build-safe-cool-design-training) ## Best For - grand way enthusiasts ## Why This Product - Trusted grand way brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Secure Latch Lock Mechanism:** Quick one-thumb release and firm closure keep your trainer safely locked when not in use. - • **Precision-Tuned Flipping Action:** Experience smooth, effortless spins with ergonomic, non-slip handles designed for all skill levels. - • **Adjustable Tension for Custom Feel:** Easily tighten or loosen pivots to match your flipping style and skill progression. - • **Durable 420C Stainless Steel Build:** Reinforced screws and pins ensure long-lasting reliability through intense practice sessions. - • **Perfectly Balanced Lightweight Design:** At just 4.76 oz, it offers optimal control without fatigue—ideal for extended training. ## Overview The Grand Way Black Practice Trainer is a premium 420C stainless steel butterfly knife trainer featuring a 3.94-inch blade, ergonomic non-slip handles, and a secure latch lock. Weighing just 4.76 ounces, it offers balanced, smooth flipping action perfect for beginners and experts alike. Built for durability with reinforced screws and adjustable pivot tension, it’s the ultimate training tool and stylish gift for enthusiasts aiming to master their skills safely. ## Description desertcart.com : Grand Way Black Practice Trainer with Durable Build – Safe Cool Design – Training Tool – CSGO Fidget Toy – Perfect for Boyfriend, Father, Son, Teens – Birthday Gift Idea K10 B : Sports & Outdoors Review: Cheap plastic toy - Its a cheap plastic toy, the screws fall out when you are playing with it. I was going to give it less stars but I figured they were honest in the description and it was my mistake to buy this Review: Training? Buy it. - Perfect for my son, training to get a real butterfly knife some day. Realistic weight, well built, right amount of dull while realizing you aren't holding a toy. Only improvement i could suggest is the latch at the bottom does not stay closed... could be improved. ## Features - Black practice trainer is made of 420C stainless steel (58 HRC) with reinforced screws & pins, providing a reliable training experience. Lock type - latch lock; Blade length - 3.94"; Handle length - 5.12"; Overall length - 9.05"; Weight - 4.76 oz - Durable build. We use high-quality stainless steel with reinforced screws, pins. Our training tool trainer is designed for optimal balance, durability, handling and reliable use through practice sessions - Latch lock. The trainer has the latch lock, which secures the trainer handles in the closed position. To open, it is pushed back with a thumb after which the handles rotate freely around their axes. Our trainer can be opened with a single movement. - 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 trainer. Open the latch located on the bottom of the trainer, hold the handle and tighten the pivot screw using a suitable screwdriver. Repeat the process for the other handle. Ensure that the handles aren't overtightened ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B086MSSP9W | | Age Range (Description) | Adult | | Age Range Description | Adult | | Best Sellers Rank | #5,666 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #1 in Martial Arts Practice Swords | | Blade Length | 3.94 inches | | Blade Material | Stainless Steel | | Blade Shape | Sheepsfoot | | Blade Type | Trainer | | Brand | Grand Way | | Brand Name | Grand Way | | Color | 1. NEW BLACK | | Customer Package Type | Standard Amazon Packaging | | Customer Reviews | 4.3 out of 5 stars 2,324 Reviews | | Hand Orientation | Ambidextrous | | Handle Material | Stainless Steel | | Included Components | No | | Item Length | 9.06 inches | | Item Shape | Round | | Item Weight | 4.75 ounces | | Manufacturer | Grand Way | | Model Name | K10 B | | Model Number | K10 B | | Number of Items | 1 | | Part Number | K10 | | Power Source | Manual | | Product Care Instructions | Hand Wash Only | | Recommended Uses For Product | Training | | Reusability | Reusable | | Size | 3.9" | | Special Feature | Lightweight | | Special Features | Lightweight | | Style | Classic | | Theme | Sport | | Unit Count | 1 Count | | Warranty Description | no | ## Product Details - **Age Range (Description):** Adult - **Blade Material:** Stainless Steel - **Brand:** Grand Way - **Color:** 1. NEW BLACK - **Handle Material:** Stainless Steel - **Included Components:** No - **Model Name:** K10 B - **Recommended Uses For Product:** Training - **Special Feature:** Lightweight - **Style:** Classic ## Images ![Black Practice Trainer with Durable Build – Safe Cool Design – Training Tool – CSGO Fidget Toy – Perfect for Man, Boyfriend, Father, Son, Teens, – Birthday Gift Idea K10 B - Image 1](https://m.media-amazon.com/images/I/71EIwXITxrL.jpg) ## Available Options This product comes in different **Color** options. ## Questions & Answers **Q: Does it come with a holster?** A: This balisong trainer does not come with a holster. **Q: What size screw is it cuz it is to tight and I need to loosen it** A: Head diameter is 5mm, thread diameter is 2.9mm, the length of the screw from tip to tip is 5.3mm **Q: Where is this manufactured?** A: China **Q: What is the screw size for the handle because it is too loose?** A: I used a T6 torx bit. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Cheap plastic toy *by L***I on December 28, 2025* Its a cheap plastic toy, the screws fall out when you are playing with it. I was going to give it less stars but I figured they were honest in the description and it was my mistake to buy this ### ⭐⭐⭐⭐⭐ Training? Buy it. *by E***. on May 3, 2026* Perfect for my son, training to get a real butterfly knife some day. Realistic weight, well built, right amount of dull while realizing you aren't holding a toy. Only improvement i could suggest is the latch at the bottom does not stay closed... could be improved. ### ⭐⭐⭐⭐ a little loose but not bad *by W***L on March 27, 2026* great for the price, not the best fitment but good enough weight, a great fidget or starter for anyone who wants to try out balisongs ## Frequently Bought Together - Grand Way Butterfly Trainer – Balisong Trainer – Practice Butterfly – Balisong Butterfly Knives NOT Real NOT Sharp Blade – Black Dull Trick Butterfly – Butter Fly Training CSGO K10-B - VORNNEX Practice Butterfly knife Trainer with Sure Spring Latch, Full Stainless Steel Black Dull Balisong, Unsharpened Butterfly knives Comb for CSGO Training(Silver) - Butterfly Knife - Balisong Trainer - Wood Practice Butterfly Trainer with Sure Spring Latch - Balisong Knives NOT Real NOT Sharp Blade - Full Stainless Steel Fake Dull Trick CSGO Fidget Toy K12 W-N --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.com.ar/products/219506977-black-practice-trainer-with-durable-build-safe-cool-design-training](https://www.desertcart.com.ar/products/219506977-black-practice-trainer-with-durable-build-safe-cool-design-training) --- *Product available on Desertcart Argentina* *Store origin: AR* *Last updated: 2026-08-27*