---
product_id: 766891308
title: "SOMELINE Mini-Fit Jr Connector Crimping Tool Kit, 18 Types 2-16 Pin 4.2mm Connectors with 24-16 AWG Terminals, Ratcheting Crimper, Compatible with Molex, for PC ATX EPS Power, 3D Printer & DIY"
brand: "someline"
price: "R1292"
currency: ZAR
in_stock: true
reviews_count: 13
category: "Someline"
url: https://www.desertcart.co.za/products/766891308-someline-mini-fit-jr-connector-crimping-tool-kit-18-types
store_origin: ZA
region: South Africa
---

# Supports 24-16 AWG high-current PC power cables Flame-retardant, heat-resistant Nylon 66 connectors Precision ratchet tech for consistent crimps SOMELINE Mini-Fit Jr Connector Crimping Tool Kit, 18 Types 2-16 Pin 4.2mm Connectors with 24-16 AWG Terminals, Ratcheting Crimper, Compatible with Molex, for PC ATX EPS Power, 3D Printer & DIY

**Brand:** someline
**Price:** R1292
**Availability:** ✅ In Stock

## Summary

> 🔧 Crimp like a pro — power your builds with precision and confidence!

## Quick Answers

- **What is this?** SOMELINE Mini-Fit Jr Connector Crimping Tool Kit, 18 Types 2-16 Pin 4.2mm Connectors with 24-16 AWG Terminals, Ratcheting Crimper, Compatible with Molex, for PC ATX EPS Power, 3D Printer & DIY by someline
- **How much does it cost?** R1292 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/766891308-someline-mini-fit-jr-connector-crimping-tool-kit-18-types)

## Best For

- someline enthusiasts

## Why This Product

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

## Key Features

- • **Universal Compatibility:** Works seamlessly with Molex Mini-Fit Jr., Amphenol Minitek Pwr, and Standard .062" terminals for versatile builds.
- • **Premium High-Conductivity Terminals:** Tin-plated brass pins resist oxidation and ensure stable current flow for critical electronics.
- • **Ergonomic & Beginner-Friendly Design:** Non-slip TRP handles and quick-release lever make precision crimping effortless for pros and DIYers alike.
- • **Optimized for High-Wattage PC Modding:** Handles 16 AWG wires to support demanding GPU, PSU, and automotive power upgrades with reduced heat.
- • **Consistent OEM-Grade Crimps Every Time:** Auto-adjusting ratchet mechanism delivers perfect crimps, eliminating loose connections and signal failures.

## Overview

The SOMELINE Mini-Fit Jr Connector Crimping Tool Kit is a professional-grade solution designed for high-current, high-density wiring projects. Featuring an auto-adjusting ratchet for consistent OEM-quality crimps, flame-retardant 4.2mm pitch connectors, and premium tin-plated brass terminals, this kit supports 24-16 AWG wires ideal for custom PC power cables, automotive wiring, and industrial electronics. Its ergonomic handles and universal compatibility with industry-standard connectors make it the go-to tool for millennial tech enthusiasts and pros aiming for flawless, reliable connections.

## Description

SOMELINE 2542M hand crimping tool for Molex Mini-Fit Jr and Standard .062" crimp terminals. It can also be used for crimping Dupont 2.54mm and KF2510 connector terminals. When a crimping tool is used on a terminal, two crimps take place at the same time. One is the electrical connection between conductor and terminal. The other is the insulation crimp which provides strain relief against vibration and tension. Using a good quality crimping tool will ensure that a full, gas tight crimp is produced preventing future deterioration of the electrical connection and insulation breakage.Mini-Fit Jr. 4.2 mm plug and receptacle housings are made of UL94V-0 flame-retardant nylon with a secure latch. They are suitable for high-current, high-density wire-to-wire or wire-to-board applications such as consumer electronics, industrial equipment, and automotive electronics. Commonly used in PC Motherboard ATX and CPU EPS power supplies.Kit Configuration:2–16 Circuits Connectors24–16 AWG Pins30–16 AWG CrimperDouble-layer Storage BoxUser Manual

Review: Everything you need ! - Finally a worth while toolset without being broken after two uses. Very comfy and with the various sizes it makes it very useful!
Review: good solid build. will be reliable for years to come - this kit has solidly built crimpers that produce a perfect crmp every time. there are plenty of each size terminal and lots of each pin so you dont run out to fast. the only issue i have is that the company doesnt have a refill option to order more.

## Features

- RATCHETING CRIMPER: Crimping range covers 30-16 AWG, engineered for Molex Mini-Fit Jr. 4.2 mm, Standard .062" 3.68 mm, Dupont 2.54 mm, and KF2510 terminals. The auto-adjusting ratchet ensures a standardized B-type (F-crimp) profile, applying calibrated force to both conductor and insulation grips to minimize contact resistance
- ELECTRICAL & MATERIAL SPECIFICATIONS: Includes 2-16 Pin 4.2mm pitch housings molded from flame-retardant Nylon 66 (UL 94V-0). Operating Temperature: -40°C to +105°C. Rated Current: 13A max. The 24-16 AWG terminals are manufactured from tin-plated copper/brass with dual locking tangs, offering high oxidation resistance and stable current delivery under mechanical vibration
- INDUSTRY STANDARD CROSS-COMPATIBILITY: Connectors are fully interchangeable with standard Molex Mini-Fit Jr. 4.2 mm (5557/5559/5556/5558) and Amphenol Minitek Pwr 4.2 systems. Designed for strict mating compatibility with existing industry-standard headers for both component replacement and new wire harness builds
- WIDE APPLICATION: Engineered for highly reliable wire-to-wire power delivery, the Mini-Fit Jr. 4.2 mm connectors are widely used in PC Motherboard ATX and CPU EPS power supplies. Additionally, they are ideal for complex multi-circuit wiring in industrial automation (PLC), HVAC control boards, 3D printers, e-bike BMS, automotive electronics, and arcade machine restorations
- ERGONOMIC & BEGINNER-FRIENDLY: Designed for efficiency without fatigue. The non-slip TRP handle provides a comfortable grip for prolonged use. Features a built-in Quick Release Lever that allows you to open the jaws safely if a terminal is misplaced or stuck, making it easy for both DIY hobbyists and professionals to achieve perfect results

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0FH68MGK2 |
| Best Sellers Rank | #146,261 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #477 in Crimpers |
| Brand | SOMELINE |
| Brand Name | SOMELINE |
| Color | White |
| Customer Reviews | 4.5 out of 5 stars 149 Reviews |
| Grip Type | Ergonomic |
| Handle Material | Polypropylene(PP)+Thermoplastic Rubber(TPR) |
| Handle Type | Ergonomic |
| Included Components | 4.2mm Pitch Connectors Crimping Tool Kit |
| Manufacturer | SOMELINE |
| Manufacturer Part Number | 2542M-21 |
| Model Number | 2542M-21 |
| Set Name | Mini-Fit Jr 4.2mm: 2-16 Pin + 1 Tool |
| Size | 4.2mm |
| Specific Uses For Product | Electronic systems and devices, power and signal connections |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** SOMELINE
- **Color:** White
- **Grip Type:** Ergonomic
- **Handle Material:** Polypropylene(PP)+Thermoplastic Rubber(TPR)
- **Handle Type:** Ergonomic

## Images

![SOMELINE Mini-Fit Jr Connector Crimping Tool Kit, 18 Types 2-16 Pin 4.2mm Connectors with 24-16 AWG Terminals, Ratcheting Crimper, Compatible with Molex, for PC ATX EPS Power, 3D Printer & DIY - Image 1](https://m.media-amazon.com/images/I/817Kje566QL.jpg)
![SOMELINE Mini-Fit Jr Connector Crimping Tool Kit, 18 Types 2-16 Pin 4.2mm Connectors with 24-16 AWG Terminals, Ratcheting Crimper, Compatible with Molex, for PC ATX EPS Power, 3D Printer & DIY - Image 2](https://m.media-amazon.com/images/I/81A2590ClWL.jpg)
![SOMELINE Mini-Fit Jr Connector Crimping Tool Kit, 18 Types 2-16 Pin 4.2mm Connectors with 24-16 AWG Terminals, Ratcheting Crimper, Compatible with Molex, for PC ATX EPS Power, 3D Printer & DIY - Image 3](https://m.media-amazon.com/images/I/81XpBplPwvL.jpg)
![SOMELINE Mini-Fit Jr Connector Crimping Tool Kit, 18 Types 2-16 Pin 4.2mm Connectors with 24-16 AWG Terminals, Ratcheting Crimper, Compatible with Molex, for PC ATX EPS Power, 3D Printer & DIY - Image 4](https://m.media-amazon.com/images/I/71iUb9GchVL.jpg)
![SOMELINE Mini-Fit Jr Connector Crimping Tool Kit, 18 Types 2-16 Pin 4.2mm Connectors with 24-16 AWG Terminals, Ratcheting Crimper, Compatible with Molex, for PC ATX EPS Power, 3D Printer & DIY - Image 5](https://m.media-amazon.com/images/I/81EuvEsInAL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Everything you need !
*by B***O on October 8, 2025*

Finally a worth while toolset without being broken after two uses. Very comfy and with the various sizes it makes it very useful!

### ⭐⭐⭐⭐ good solid build. will be reliable for years to come
*by Z***N on December 23, 2024*

this kit has solidly built crimpers that produce a perfect crmp every time. there are plenty of each size terminal and lots of each pin so you dont run out to fast. the only issue i have is that the company doesnt have a refill option to order more.

### ⭐⭐⭐⭐⭐ Great Value and Perfect for Ham Radio Projects
*by W***K on September 2, 2025*

As someone who regularly builds and repairs equipment for Ham radios, I’ve gone through my fair share of connector kits and crimping tools. This SOMELINE Connector Crimping Tool Kit has quickly become one of my favorites for a few reasons: Comprehensive Kit The set comes with 18 different types of 4.2mm pitch connectors, covering 2–16 circuits. That’s a lot of flexibility, and it means I don’t have to hunt for individual pieces when working on different radio builds or repairs. The included assortment is well-organized and covers the most commonly used connector types I run into, including Molex Mini-Fit Jr style, Du Pont, and KF2510. Solid Crimping Tool The crimping pliers themselves feel sturdy, with smooth ratcheting action and a comfortable grip. They handle a wide range of wire gauges (30–16 AWG), which is perfect for the mix of low-current signal wires and heavier power leads I often work with. The crimps are reliable and consistent—no half-bent or loose terminals, which is crucial for maintaining good electrical connections in Ham radio gear. Ease of Use Even if you’re not an expert, the kit is straightforward. The tool makes clean, professional-looking crimps with very little effort once you get the hang of aligning the terminals. Everything is clearly labeled, so grabbing the right connector type is quick. Performance in Ham Radio Applications I use this kit primarily for wiring radio equipment—power connectors, signal harnesses, and even some custom mods. The terminals seat firmly, and I haven’t had any issues with intermittent connections or loose fits. That reliability is exactly what you need when transmitting or receiving. It’s also compatible with the connector types I commonly see in radio gear, which saves me time and frustration. Value For the price, you’re getting a full range of connectors and a solid crimping tool all in one kit. Buying these separately would cost more, and the convenience of everything being bundled together is hard to beat. ⸻ ✅ Bottom line: If you’re a Ham radio operator, hobbyist, or anyone who frequently works with low-voltage electronics, this connector kit is an excellent investment. Durable tool, wide connector assortment, and reliable crimps—I couldn’t ask for more.

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-05-27*