KO-KEN TOOLS RS2400M-12 Drive 4991644015528 Socket RS2400M/12 1/4 4-14

( Brand: Ko-ken Tools ), ( Manufacturer Part Number: RS2400M/12 ), ( Type: Socket Set ), ( System Of Measurement: Metric ), ( Size: 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 Mm ), ( UPC: 991644015528 ), ( Country Of Origin: Japan ), ( California Prop 65 Warning: California Prop 65 Warning )

Review KO KEN TOOLS Rs2400m/12 Sockets 1/4 Inch Drive 4-14mm

The **Ko-Ken Tools RS2400M** is a premium, high-performance **1/4-inch drive ratchet socket set** designed for professionals who demand precision, durability, and versatility in demanding applications. Engineered with Ko-Ken s signature attention to detail, this 12-socket collection combines robust construction with innovative features to deliver seamless performance in automotive, industrial, and mechanical work environments. Each socket in this set is crafted from **high-grade chrome-vanadium alloy steel**, ensuring exceptional hardness and resistance to wear, bending, and corrosion critical attributes for heavy-duty tasks like brake repairs, suspension work, or engine disassembly. The **1/4-inch drive** compatibility makes it a versatile fit for a wide range of ratchets, extensions, and adapters, while the **12-piece assortment** includes essential sizes (ranging from **4mm to 14mm**) to cover common fasteners without the need for excessive switching. What sets the RS2400M apart is its **smooth, low-friction ratcheting mechanism**, which minimizes binding and allows for effortless engagement even in tight or hard-to-reach spaces. The sockets feature **Ko-Ken s patented "Quick-Change" design**, enabling rapid and secure attachment to ratchets with minimal slippage, while the **deep-crown and spline-drive configurations** ensure reliable grip on both standard and splined bolts. Built to withstand extreme conditions, the set is **oil-tempered and heat-treated** for maximum strength, and the **chrome finish** provides a protective barrier against rust and abrasion, extending the tool s lifespan under frequent use. Whether tackling routine maintenance or complex overhauls, the RS2400M delivers the reliability and efficiency that professionals expect from Ko-Ken a brand synonymous with precision engineering and tooling excellence.

### **Pros and Cons of buying a Ko-Ken Tools RS2400M (1/4 Drive, 4-14 Sockets)**

1. **High Quality and Durability** Ko-Ken is a well-regarded brand known for producing robust, long-lasting air impact wrenches. The RS2400M is designed for heavy-duty use, making it suitable for professional and industrial applications.

2. **Powerful Performance** With a 2400 Nm (1770 ft-lbs) torque rating, this tool delivers strong, consistent power for tightening or loosening stubborn fasteners, including those in tight spaces.

3. **Versatile Socket Range** The 4-14" socket range covers a wide variety of applications, from automotive work to heavy machinery, reducing the need for multiple tools.

4. **Ergonomic Design** The 1/4 drive size is compact and lightweight, making it easier to handle in tight or awkward positions compared to larger tools. The rubberized grip improves comfort during extended use.

5. **Durable Construction** The tool features a hardened steel drive and robust internal components, reducing wear and tear over time. The sealed design helps protect against dust and debris.

6. **Good for Professional Use** If you work in automotive repair, construction, or industrial maintenance, this tool can handle demanding tasks efficiently.

7. **Compatibility with Air Compressors** Works with standard air compressors (typically 90-100 PSI), though performance may vary slightly depending on the compressor s CFM output.

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1. **Heavy for Handheld Use** At around 6-7 lbs (2.7-3.2 kg), it may feel cumbersome for prolonged handheld use, especially in overhead or awkward positions. A stand or rest may be needed for some tasks.

2. **Noise and Vibration** Like most air impact wrenches, it produces significant noise and vibration, which can be fatiguing over time. Ear protection and vibration-dampening gloves are recommended.

3. **Limited to Air Power** Requires an air compressor, which adds to setup and operational costs. If you don t already have one, you ll need to invest in a compatible unit.

4. **Not Ideal for Light Tasks** For small or delicate jobs (e.g., fine adjustments), a manual ratchet or electric impact wrench might be more appropriate due to the tool s high torque.

5. **Maintenance Requirements** Regular cleaning and lubrication are necessary to prevent rust and ensure smooth operation, especially in dusty or humid environments.

6. **Price Point** While not excessively expensive for a professional-grade tool, it may be a significant investment for occasional users. Compare it to alternatives like electric impact wrenches if budget is a concern.

7. **Socket Wear Over Time** Frequent use with high-torque applications can cause sockets to wear out faster, requiring replacements.

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The **Ko-Ken Tools RS2400M** is a **strong, reliable choice** for professionals or serious DIYers who need a **high-torque, durable air impact wrench** for heavy-duty tasks. Its **wide socket range, robust build, and consistent power** make it well-suited for automotive work, machinery maintenance, and industrial applications. However, its **weight, noise, and vibration** may make it less ideal for light or prolonged handheld use without proper support.

If you **already own an air compressor** and need a **powerful, long-lasting tool** for tough jobs, this is an excellent investment. For **occasional users or lighter tasks**, consider alternatives like electric impact wrenches or manual tools to reduce fatigue and cost.

- **Buy it if:** You work in a field requiring high torque (e.g., automotive repair, construction, heavy machinery), you have an air compressor, and you prioritize durability and performance.

- **Avoid it if:** You need a tool for light/delicate work, prefer electric power, or are on a tight budget for occasional use.

- **Consider alternatives:** If you re unsure, test a similar model (e.g., Makita, Milwaukee) or opt for a **lighter 1/4 drive impact wrench** if handheld comfort is a priority.

For most **professional users**, the RS2400M is a **solid, high-quality tool** that justifies its cost with performance and longevity.

Details:

1/4 drive 11 sockets 4,5,6,7,8,9,10,11,12,13,14mm Ko-Kankakee Made in Japan Ko-Ken.

part #: rs2400m12 prices

• $50.35-$75.29

specifications sockettoolus:

• brand: Ko-ken Tools
• mpn: Rs2400m/12
• type: Socket Set
• system of measurement: Metric
• size: 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 Mm
• upc: 991644015528
• country of origin: Japan
• california prop 65 warning: California Prop 65 Warning

seller sockettoolus:

• # reviews: 108
• rating: 100.0%
• city: San Diego, California

shipping sockettoolus:

• service: USPS Ground Advantage
• transit: 4-9 Days
• class: Standard
• carrier: USPS
• type: Calculated
• cost: $5.52

general sockettoolus:

• Hand Tools > Wrenches > Socket Wrenches
• condition: Used

returns sockettoolus:

• policy: No Returns

offer sockettoolus:

• sold: 0
• availability: In Stock
• quantity: 1
• started: April 25, 2026
• options: Ship-to-home

payments sockettoolus:

• wallet: Apple-pay
• credit card: Mastercard
• other

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