Angle Grinder Review

Introducing the Makita GA4542C SJSII High Power Angle Grinder, a versatile tool designed to deliver outstanding performance with its powerful 12.0 AMP motor and variable speed control dial. Engineered with SJSII technology, this angle grinder is equipped to reduce vibration and prevent motor and gear damage, ensuring durability and reliability. With electronic controller features for high torque applications and a range of RPM speeds from 2,800 to 11,000, this tool is ideal for various cutting and grinding tasks. Get ready to take your projects to the next level with the Makita GA4542C SJSII Angle Grinder. Have you been searching for the perfect angle grinder to tackle all your home improvement projects? Look no further than the Makita GA4542C SJSII High Power Angle Grinder, 4-1/2″. This powerful tool is designed to make your tasks easier and more efficient. Let’s dive into a detailed review of this product to see why it’s a must-have for any DIY enthusiast or professional contractor.

Get your own Makita GA4542C SJSII High Power Angle Grinder, 4-1/2 today.

Features and Specifications

Let’s start by taking a closer look at the features and specifications of the Makita GA4542C SJSII High Power Angle Grinder, 4-1/2″. This angle grinder is packed with powerful components that make it stand out from the competition.

Power and Performance

The Makita GA4542C is equipped with a powerful 12.0 AMP motor that delivers more output and variable speeds ranging from 2,800 to 11,000 RPM. This means you can tackle a wide range of cutting and grinding tasks with ease. Whether you’re cutting through metal pipes or grinding down concrete, this angle grinder has the power to get the job done quickly and efficiently.

Innovative SJSII Technology

One of the standout features of the Makita GA4542C is its SJSII technology. This innovative system provides a leaf spring and cam gear drive mechanism that is engineered to reduce vibration. This not only makes the tool more comfortable to use but also helps reduce fatigue during extended periods of use.

Variable Speed Control

With a variable speed control dial, you have the flexibility to match the speed of the grinder to the specific task at hand. This allows for greater precision and control, whether you’re working on delicate materials or more heavy-duty projects. The ability to adjust the speed on the fly makes this angle grinder a versatile tool for a wide range of applications.

Electronic Controller

The Electronic Controller feature in the Makita GA4542C is a three-part electronic system designed to provide the required power in high torque applications. This not only extends the tool’s lifespan but also ensures consistent performance when working on tough materials. With the Electronic Controller, you can trust that this angle grinder will deliver the power you need when you need it most.

Pros and Cons

Next, let’s explore some of the pros and cons of the Makita GA4542C SJSII High Power Angle Grinder, 4-1/2″. Understanding both the strengths and weaknesses of this product will help you make an informed decision before purchasing.


  • Powerful 12.0 AMP motor for superior performance
  • Variable speed control dial for versatile use
  • Innovative SJSII technology reduces vibration for added comfort
  • Electronic Controller ensures consistent power in high torque applications


  • May be on the heavier side compared to other angle grinders
  • Some users may find the price point higher than other models on the market

Makita GA4542C SJSII High Power Angle Grinder, 4-1/2

Click to view the Makita GA4542C SJSII High Power Angle Grinder, 4-1/2.

Durability and Build Quality

When it comes to investing in a power tool like an angle grinder, durability and build quality are essential factors to consider. The Makita GA4542C is built to last, with a robust construction that can withstand the demands of heavy-duty use.

Construction Materials

The Makita GA4542C features high-quality materials that are designed to withstand the rigors of professional use. From the motor to the gear drive mechanism, every component is built to last. This ensures that you can rely on this angle grinder for both small and large projects without compromising on performance.

Ergonomic Design

In addition to its durability, the Makita GA4542C boasts an ergonomic design that enhances user comfort and control. The tool is well-balanced and comfortable to hold, reducing user fatigue during long periods of operation. The handle is also designed for optimal grip, giving you better control over the angle grinder as you work.

Overall Performance

In terms of overall performance, the Makita GA4542C excels in delivering consistent power and precision. Whether you’re cutting, grinding, or polishing, this angle grinder performs admirably across various applications. Its durable construction and innovative features make it a reliable tool for both professionals and DIY enthusiasts.

Price and Value

While the Makita GA4542C may come at a higher price point compared to other angle grinders on the market, its exceptional performance and durability make it a great value for the investment.

Price Comparison

When comparing the Makita GA4542C to other angle grinders in the same price range, you’ll find that it offers superior performance and features. While you may pay a bit more upfront, the longevity and reliability of this tool make it a worthwhile investment for your workshop or job site.

Long-Term Value

The Makita GA4542C is built to last, which means you won’t have to replace it anytime soon. With proper maintenance and care, this angle grinder will continue to deliver top-notch performance for years to come. Its high value proposition makes it a cost-effective choice for those looking for a reliable and efficient angle grinder.

Makita GA4542C SJSII High Power Angle Grinder, 4-1/2

Click to view the Makita GA4542C SJSII High Power Angle Grinder, 4-1/2.

Customer Reviews and Feedback

To get a better sense of how the Makita GA4542C performs in real-world situations, let’s take a look at some customer reviews and feedback.

Positive Reviews

  • “I’ve been using the Makita GA4542C for several months now, and I’m impressed with its power and performance. It cuts through metal like butter and is a must-have for any serious DIYer.”
  • “The variable speed control on this angle grinder is a game-changer. It allows me to adjust the speed depending on the material I’m working with, making my projects more precise and efficient.”

Negative Reviews

  • “The only downside I found with the Makita GA4542C is its weight. It can get a bit heavy after prolonged use, so make sure you take breaks to rest your arms.”
  • “While the price of this angle grinder is on the higher side, I believe the quality and performance justify the investment. However, it may not be suitable for those on a tight budget.”


In conclusion, the Makita GA4542C SJSII High Power Angle Grinder, 4-1/2″ is a top-notch tool that delivers power, precision, and durability. With its innovative features and robust construction, this angle grinder is perfect for a wide range of cutting and grinding applications. Whether you’re a professional contractor or a home DIY enthusiast, the Makita GA4542C is a reliable and efficient tool that will help you tackle your projects with ease.

Check out the Makita GA4542C SJSII High Power Angle Grinder, 4-1/2 here.

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