--- product_id: 808482395 title: "Mini-Fit Jr. 4.2mm Crimping Tool Kit, 2–10 Pin Plug Receptacle Connector Set, Ratcheting Crimper 30–16 AWG with Pin Removal Tool, Compatible with Molex Mini-Fit Jr., for GPU, ATX PSU, 3D Printer" brand: "peba" price: "€ 52.44" currency: EUR in_stock: true reviews_count: 13 category: "Peba" url: https://www.desertcart.ie/products/808482395-mini-fit-jr-4-2mm-crimping-tool-kit-2-10 store_origin: IE region: Ireland --- # Mini-Fit Jr. 4.2mm Crimping Tool Kit, 2–10 Pin Plug Receptacle Connector Set, Ratcheting Crimper 30–16 AWG with Pin Removal Tool, Compatible with Molex Mini-Fit Jr., for GPU, ATX PSU, 3D Printer **Brand:** peba **Price:** € 52.44 **Availability:** ✅ In Stock ## Quick Answers - **What is this?** Mini-Fit Jr. 4.2mm Crimping Tool Kit, 2–10 Pin Plug Receptacle Connector Set, Ratcheting Crimper 30–16 AWG with Pin Removal Tool, Compatible with Molex Mini-Fit Jr., for GPU, ATX PSU, 3D Printer by peba - **How much does it cost?** € 52.44 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/808482395-mini-fit-jr-4-2mm-crimping-tool-kit-2-10) ## Best For - peba enthusiasts ## Why This Product - Trusted peba brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description Product description MULTI-JAW DESIGN FOR VARIOUS TERMINALS EASY COMPRESSION ADJUSTMENT PRECISION RATCHET MECHANISM QUICK RELEASE TRIGGER CUSHIONED, ERGONOMIC HANDLES Optimized jaws for different wire sizes ensure precise crimps on Mini-Fit Jr. (4.2mm), Micro-Fit (3.0mm), Standard .062" (3.68mm), DuPont, and KF2510 (2.54mm) compatible terminals. Set the perfect crimping force by rotating the adjustable wheel. Simply remove the screw, then turn the wheel clockwise to increase or counter-clockwise to decrease the crimping force. Ensures consistent force application and full compression during each crimp cycle, delivering uniform, repeatable results for professional wire terminations. The ratcheting mechanism completes crimps in full cycles. To cancel a crimp mid-cycle, apply pressure to the quick release trigger with a solid object. Our tools are equipped with ergonomically designed, non-slip cushioned handles for comfort. Crimping all day is effortless, reducing hand fatigue. PROFESSIONAL OEM-STYLE PRECISION Achieve consistent, factory-style crimps with a near-cylindrical profile—closely matching original OEM standards. Our precision-engineered ratcheting tool delivers uniform compression and a solid mechanical bond, ensuring stable conductivity and reliable power delivery in every custom build. NON-DESTRUCTIVE PIN REMOVAL, MADE EASY Made a mistake? No problem. Our professional-grade extraction tools let you safely depin Mini-Fit Jr. terminals without damaging the delicate locking tabs. COMPARE OUR CONNECTOR CRIMP TOOL KITS Kit:Dupont/JST-XH Kit: Dupont/JST-PH/JST-XH Kit: JST-PH/XH/SM Quantity 21 Types Connectors 28 Types Connectors 24 Types Connectors Connector Types Dupont2.54mm/JST-XH 2.5mm Micro Connector Dupont/JST-PH/JST-XH Micro Connector JST-PH/JST-XH/JST-SM Micro Connector Stripping Tool No Yes Crimper Tool 4 Dual Crimping stations 5 Dual Crimping stations Review: Perfect for sff building - Exactly what I needed shortening up all my sfx leads for a sff Fractal Terra build. Review: High quality crimping tool - I had to repair the connector on my kegerator for the interior light and switch. This crimping tool kit was exactly what I needed to extend the harness and add a new connector on the end. It makes very clean and tight crimps that hold the wire securely. ## Features - FULL 4.2MM CONNECTOR KIT WITH EXTRACTION TOOL: Complete Mini-Fit Jr. 4.2mm plug & receptacle set (2–10 pin) for wire-to-wire connections. Perfect for 24-pin ATX, 6/8-pin GPU, and CPU power cables. Includes a precision extraction tool for damage-free pin removal, making depinning, repair, and rewiring fast and effortless. - RATCHETING CRIMPER 30–16 AWG RANGE: Precision ratcheting crimping tool compatible with 4.2mm (Mini-Fit), 3.0mm (Micro-Fit), and 2.54mm (Dupont/KF2510) connectors. Covers 30–16 AWG (0.05–1.5mm²) for both signal and power wires. The ratcheting mechanism ensures controlled, consistent pressure for clean, reliable crimps across all common connector types. - ONE-STEP PRECISION CRIMPING WITH OEM-STYLE DESIGN: Integrated crimping die secures conductor and insulation in one cycle. The C and D slots are specifically engineered for Mini-Fit Jr. 4.2mm terminals, with a purpose-built asymmetrical die profile designed to closely replicate OEM-style crimp geometry, delivering gas-tight, high pull-strength connections while ensuring consistent results. - 13A HIGH-CURRENT CAPACITY & SECURE LOCKING: Terminals are made from high-conductivity tin-plated brass, supporting up to 13A per pin for stable and efficient power delivery. Connector housings feature a polarized anti-misplug design and positive locking latches to prevent loosening or accidental disconnection in high-vibration environments. - WIDE APPLICATION & BEGINNER-FRIENDLY SUPPORT: Ideal for PC power supply cables, GPU/CPU wiring, 3D printing, RC hobby, and automotive repair. Includes an organized, impact-resistant storage case plus step-by-step video guide, helping beginners quickly achieve pro-level results. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0G6932GNB | | Best Sellers Rank | #117,769 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #399 in Crimpers | | Brand | PEBA | | Brand Name | PEBA | | Color | Chrome/Black | | Customer Reviews | 4.3 out of 5 stars 18 Reviews | | Grip Type | Ergonomic | | Handle Material | Polypropylene(PP) | | Handle Type | Ratcheting | | Included Components | 2-10 Circuits Mini-Fit Jr 4.2mm Connectors, Crimping Pliers | | Item Weight | 0.4 Kilograms | | Manufacturer | PEBA | | Manufacturer Part Number | PE-21-4.2 | | Model Number | PE-21-4.2 | | Set Name | 2-10 Circuits Mini-Fit Jr 4.2mm Connectors | | Size | Mini-Fit Jr compatible | | Specific Uses For Product | Crimping Mini-Fit Jr 4.2mm Connectors | ## Images ![Mini-Fit Jr. 4.2mm Crimping Tool Kit, 2–10 Pin Plug Receptacle Connector Set, Ratcheting Crimper 30–16 AWG with Pin Removal Tool, Compatible with Molex Mini-Fit Jr., for GPU, ATX PSU, 3D Printer - Image 1](https://m.media-amazon.com/images/I/71qoYZh+DuL.jpg) ![Mini-Fit Jr. 4.2mm Crimping Tool Kit, 2–10 Pin Plug Receptacle Connector Set, Ratcheting Crimper 30–16 AWG with Pin Removal Tool, Compatible with Molex Mini-Fit Jr., for GPU, ATX PSU, 3D Printer - Image 2](https://m.media-amazon.com/images/I/71sMdt-j71L.jpg) ![Mini-Fit Jr. 4.2mm Crimping Tool Kit, 2–10 Pin Plug Receptacle Connector Set, Ratcheting Crimper 30–16 AWG with Pin Removal Tool, Compatible with Molex Mini-Fit Jr., for GPU, ATX PSU, 3D Printer - Image 3](https://m.media-amazon.com/images/I/61+PRDLzCML.jpg) ![Mini-Fit Jr. 4.2mm Crimping Tool Kit, 2–10 Pin Plug Receptacle Connector Set, Ratcheting Crimper 30–16 AWG with Pin Removal Tool, Compatible with Molex Mini-Fit Jr., for GPU, ATX PSU, 3D Printer - Image 4](https://m.media-amazon.com/images/I/710Sr-dMzKL.jpg) ![Mini-Fit Jr. 4.2mm Crimping Tool Kit, 2–10 Pin Plug Receptacle Connector Set, Ratcheting Crimper 30–16 AWG with Pin Removal Tool, Compatible with Molex Mini-Fit Jr., for GPU, ATX PSU, 3D Printer - Image 5](https://m.media-amazon.com/images/I/714gMRJ8EUL.jpg) ## Available Options This product comes in different **Item Shape** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Perfect for sff building *by M***C on April 15, 2026* Exactly what I needed shortening up all my sfx leads for a sff Fractal Terra build. ### ⭐⭐⭐⭐⭐ High quality crimping tool *by M***H on May 3, 2026* I had to repair the connector on my kegerator for the interior light and switch. This crimping tool kit was exactly what I needed to extend the harness and add a new connector on the end. It makes very clean and tight crimps that hold the wire securely. ### ⭐⭐⭐⭐ High-Precision Jaws Ideal for RV Slide Systems and PC Modding *by B***S on March 5, 2026* The PEBA Interconnect Kit is a professional-grade solution for high-density power connections. While marketed for PC builders (ATX/GPU), its compatibility with 4.2mm Mini-Fit Jr. connectors makes it an essential tool for RV owners dealing with Schwintek slide systems, which use this exact terminal style. Pliers and Precision Jaw Quality: The ratcheting pliers are a clear step up from budget alternatives. The jaws mate with excellent precision, and the width is perfectly matched for Mini-Fit Jr. terminals. This ensures the conductor and insulation are crimped in one motion without over-extending onto the rest of the pin. Versatility: Although optimized for 4.2mm pitch, I successfully used these for smaller JST-XH (2.50mm) crimps. Note: The jaws are slightly wide for XH terminals, so you have to be extremely careful with positioning to avoid crushing the connector body. Ratchet Mechanism: The action is smooth, but the emergency release is a weak point. It is quite difficult to trigger; if you need to abort a crimp mid-cycle, you’ll likely need a screwdriver to pry the release lever. Connectors and Maintenance Terminal Style: Unlike many kits where pins come on a continuous metal "belt," these arrive pre-separated in bins. While different from industrial norms, it’s convenient for low-volume repairs. Extraction Tool: A major highlight is the included pin extraction tool. It is rare to see these included in consumer kits today, and it is vital for re-pinning or fixing mistakes without destroying the plastic housings. Compatibility: The included housings are third-party but fully interoperable with standard Mini-Fit Jr. systems. Case and Storage Design: The case uses a space-saving "tool-on-top" layout. The connectors are stored in a tray beneath the pliers. The "Crimp-to-Fit" Case: Fitting the pliers back into the case is a bit of a puzzle. You have to close the handles to a specific point in the ratchet cycle for them to seat properly in the molded plastic. Pros Exceptional Jaw Alignment: Provides factory-quality, "gas-tight" crimps. Extraction Tool Included: Saves you from buying a specialized $15–$20 tool separately. Perfect for Schwintek Slides: Matches the 4.2mm power connectors used in RV slide-out motors. One-Step Crimp: Simultaneously handles wire and insulation. Cons Difficult Ratchet Release: Hard to operate without a tool if jammed. Case Fit: Requires precise handle positioning to close the toolbox. Final Verdict: 4/5 Stars This is a high-utility kit with better-than-average mechanical precision. It is the perfect addition to an RV tool kit or an electronics workbench. The inclusion of the extraction tool makes it a standout value, even with the minor ergonomic quirks of the case and release lever. --- ## 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.ie/products/808482395-mini-fit-jr-4-2mm-crimping-tool-kit-2-10](https://www.desertcart.ie/products/808482395-mini-fit-jr-4-2mm-crimping-tool-kit-2-10) --- *Product available on Desertcart Ireland* *Store origin: IE* *Last updated: 2026-06-01*