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Kobalt KJS 324B-03 24-Volt Max Variable Speed vs Worx 20V Power Share Jigsaw - WX543L.9

Updated August 2026 — Kobalt KJS 324B-03 24-Volt Max Variable Speed wins on power and stroke length, Worx 20V Power Share Jigsaw - WX543L.9 wins on price and weight.

The Kobalt KJS 324B-03 excels in power and cutting versatility, while the Worx WX543L.9 offers better ergonomics and battery compatibility at a lower price.

Why Kobalt KJS 324B-03 24-Volt Max Variable Speed is better

Power

Kobalt has a 24-volt motor with 3000 SPM.

Cutting Options

Kobalt offers 4-position orbital action.

Stroke Length

Kobalt has a 1-inch stroke length.

Why Worx 20V Power Share Jigsaw - WX543L.9 is better

Price

Worx is $40 cheaper.

Weight

Worx weighs only 5.3 lbs.

Battery Compatibility

Worx uses interchangeable batteries.

Overall score

Kobalt KJS 324B-03 24-Volt Max Variable Speed
85
Worx 20V Power Share Jigsaw - WX543L.9
75

Specifications

SpecKobalt KJS 324B-03 24-Volt Max Variable SpeedWorx 20V Power Share Jigsaw - WX543L.9
Motor Voltage24V20V
No-Load Speed3000 SPM2600 RPM
Orbital Action4-positionOrbital/Pendulum
WeightN/A5.3 lbs
Battery TypeProprietaryPower Share

Dimension comparison

Kobalt KJS 324B-03 24-Volt Max Variable SpeedWorx 20V Power Share Jigsaw - WX543L.9

Overview of the Kobalt KJS 324B-03 and the Worx WX543L.9

The Kobalt KJS 324B-03 is priced at $99.00, while the Worx WX543L.9 is about 17% cheaper at $58.98. Both jigsaws offer unique features catering to different user preferences, making them suitable for various cutting tasks. The Kobalt model boasts a higher stroke length and a more powerful motor, while the Worx jigsaw emphasizes user comfort and convenience.

Performance Comparison

When it comes to performance, the Kobalt KJS 324B-03 features a 24-volt max brushless motor that delivers 3,000 strokes per minute (SPM) with a 1-inch stroke length. This powerful setup allows for efficient cutting through a variety of materials. On the other hand, the Worx WX543L.9, with a no-load speed of 2,600 RPM, also provides solid performance but falls behind in sheer power. The Kobalt’s higher SPM may make it more suitable for tougher tasks, while the Worx excels in versatility with its orbital function for improved cutting efficiency.

Cutting Versatility

The Kobalt KJS 324B-03 offers 4-position orbital action, providing users with optimal cutting options tailored to different materials. This feature is crucial for those who frequently switch between various projects. Conversely, the Worx WX543L.9 also includes an orbital/pendulum function, which enhances its cutting performance but does not specify multiple settings. The Kobalt’s adjustable settings may provide more control for detailed work, making it a better choice for intricate projects requiring precision.

Design and Ergonomics

In design, the Worx WX543L.9 shines with its ergonomic barrel-grip handle, designed for comfort during extended use. Weighing only 5.3 lbs. with the battery installed, it is easier to maneuver and perfect for one-handed operation. The Kobalt KJS 324B-03, while functional, lacks specific ergonomic features and is not noted for its weight. Users may find the Worx model more comfortable for prolonged cutting tasks, as its design actively reduces vibration in the hands.

Tool-Free Operation

Both jigsaws offer tool-free blade changes, significantly reducing downtime between cuts. The Kobalt’s tool-free blade change feature is straightforward, allowing users to switch blades effortlessly. The Worx WX543L.9 also emphasizes convenience with quick blade changes and a dual switch for easy operation. This similarity makes both tools user-friendly, but the Worx jigsaw additionally comes with a vacuum attachment for cleaner operation, enhancing the user experience further.

Battery Compatibility

Battery compatibility is a significant distinction between these two jigsaws. The Kobalt KJS 324B-03 runs on a 24-volt battery, which is specific to its brand. In contrast, the Worx WX543L.9 is part of the Worx Power Share system, allowing users to interchange batteries with other Worx products, including 20V, 40V, and 80V tools. This feature not only saves money but also maximizes efficiency for users already invested in the Worx ecosystem.

Price Analysis

At $99.00, the Kobalt KJS 324B-03 is positioned at a higher price point compared to the Worx WX543L.9, which retails for $58.98. This represents a price difference of about $40, making the Worx model significantly more budget-friendly. However, potential buyers should consider the Kobalt's superior power and advanced features, which may justify the higher cost for those needing a more robust tool for demanding projects.

Which should you buy?

Deciding between the Kobalt KJS 324B-03 and the Worx WX543L.9 ultimately depends on your specific needs and preferences. If you prioritize power and cutting versatility for heavy-duty tasks, the Kobalt may be the better option despite its higher price. However, if you value ergonomics, battery compatibility, and a more affordable price, the Worx jigsaw stands out as a compelling choice. Both tools cater to different user demands, ensuring that you can find an option that fits your project requirements perfectly.