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Description
EZARC 21 Piece Impact Socket Adapter Set - CR-MO Universal Swivel Socket Set & Impact Couplers, CR-V Reducers & Hex Extension BitsMASTER 21 PC SET: Includes 11 extensions, 3 universals, 4 reducers, and 3 impact couplers. INDUSTRIAL STRENGTH: Made with premium CR V & CR MO steel for maximum durability and high torque performance. IMPACT RATED: Fully compatible with impact wrenches and power drills for the toughest jobs. SECURE & QUICK CHANGE: Spring loaded detent balls and quick release couplers for a firm grip and fast swaps. UNIVERSAL COMPATIBILITY: Works with all standard 1
MASTER 21-PC SET: Includes 11 extensions, 3 universals, 4 reducers, and 3 impact couplers.
INDUSTRIAL STRENGTH: Made with premium CR-V & CR-MO steel for maximum durability and high-torque performance.
IMPACT RATED: Fully compatible with impact wrenches and power drills for the toughest jobs.
SECURE & QUICK-CHANGE: Spring-loaded detent balls and quick-release couplers for a firm grip and fast swaps.
UNIVERSAL COMPATIBILITY: Works with all standard 1/4", 3/8", and 1/2" drive tools and sockets from any brand.
PROFESSIONAL STORAGE: Laser-etched sizes and a custom foam tray for easy organisation and portability.
Product Description:
1. Comprehensive All-in-One Set
This 21-piece master set is the ultimate solution for your socket adapter needs. It includes everything required for professional and DIY tasks:
11 Extension Bars: A full range of lengths (25mm to 150mm) and drive sizes (1/4", 3/8", 1/2").
3 Universal Joints (1/4", 3/8", 1/2"): For accessing fasteners at difficult angles.
4 Drive Size Reducers: Seamlessly connect tools and sockets of different drive sizes.
3 Impact-Rated Couplers (1/4", 3/8", 1/2"): Quickly connect extensions or convert your drill into a powerful nut-runner.
2. Premium Heavy-Duty Construction
Built to withstand the highest torque and toughest jobs, this set is engineered for longevity.
High-Grade Materials: Extension bars and adapters are forged from heat-treated Chrome-Vanadium (CR-V) Steel for superior strength. The universal joints and impact couplers are made from even tougher Chrome-Molybdenum (CR-MO) Steel to handle intense stress.
Corrosion Resistance: A durable Black Manganese Phosphate Finish protects against rust and wear, ensuring your set looks and performs like new for years.
3. Secure & Efficient Operation
Experience a firm grip and smooth workflow with our thoughtfully designed features.
Secure Locking: Spring-loaded detent balls and chamfered edges on all heads ensure a tight, reliable connection with your sockets, preventing accidental drops.
Quick-Release Couplers: The impact-grade couplers allow for fast, one-handed bit changes without sacrificing strength.
Universal Tool Compatibility: Adapter ends feature standard impact holes, making them fully compatible with all popular power drills, impact wrenches, and hand ratchets.
4. Ultimate Versatility for Any Task
Whether you're a professional mechanic or a weekend DIYer, this set empowers you to tackle any project with confidence.
Tight Space Access: Use extension bars to reach deep or confined areas.
Angled Fastening: Swivel joints provide the flexibility to work on obstructed bolts.
Drive Size Conversion: The included reducers allow you to use any socket size with any tool, maximising your existing toolkit.
5. Professional Storage & Instant Identification
Stay organised and save valuable time on the job.
Laser-Etched Markings: Every piece features clear, permanent size engravings for instant identification.
Custom Moulded Storage Case: The set is neatly organised in a durable XPE Foam Tray that prevents pieces from getting lost or damaged, keeping your toolbox tidy and portable.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 8 reviews
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Product Reviews
★★★★★ 5
Wonderful product
Color: Brown, Number of Items: 1, Color: Brown, Number of Items: 1
This chair offers good lumbar support and a well-padded seat. It has a very nice and smooth rocking motion, you can loosen the tight/loose knob for reclining, and it is very comfortable to sit in while working on the computer or relaxing to watch TV. The back of the chair hits just above my neck, so the back of my head rests comfortably on the top of the chair. The color, brown, is exactly what I expected and looks professional. The height adjustment works well, it sits higher than my old chair, and I like that. It seems sturdy for the 300-pound weight recommended. I got it on Prime Day, so it was a good value for the money. It came packed well and quicker than expected. The pictures are a comparison to my 20-year-old office chair.
Assembling the chair was easy, however, be sure to attach the bottom part of the chair with the tight/loose knob facing the front of the chair. It's not clearly marked on the instructions. When it came time to put the back of the chair on it would be good to have another person to hold the chair back for you to align the chair arm holes and screw in, then you should be OK but I did discover that if I had attached the arms to the back of the chair first, it would be so much easier to align them for attachment. The wheels glide very easily and will take you across the room after one push. It swivels at 360 degrees easily, almost making me dizzy.
I am writing this review the same day I got the chair so I will update if I run into any issues. Otherwise, I recommend this chair.
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Reviewed in the United States on July 17, 2025
★★★★★ 5
So far, so good
Color: Black, Number of Items: 1, Color: Black, Number of Items: 1
When Covid hit early 2020, I was sent home to work remotely for the first time in my working life. However, my old chair that is pictured on the right is about 25 years old and no longer has any butt cushion. It quickly became painful to work in that chair all day. I have since moved to a new state and found a remote job I will be starting soon so I decided it was time to upgrade the chair. This is a decent chair if you are on a budget like I am and you are not hard on your stuff adding premature wear and tear. For me, it has good lumbar support which I needed, and more cush for the tush! I am a proportionate 5'2" female and about 125 to 130 pounds. The seat has just enough room for my butt but I don't think I would recommend this for larger people. I would look into sizing up to the big and tall chair. Take note of the seat and back size to know what would work best for you but this chair feels small yet good sized for me only because I was able to go by the measurements of my old chair. Might even be best for you to go into an office supply store to test out chair sizes for comfort before making a purchase. Sometimes I like to sit criss-cross applesauce and this chair has a very nice and smooth rocking motion after loosening the tight/loose knob for reclining and is so comfortable for me that I may fall asleep on the job and get fired. The back of the chair hits just above my neck so I am able to tilt my head back a bit to let it rest since my upper back and neck sometimes go numb after sitting for too long. Ugh, it's just so much fun getting older!!
Assembling the chair was easy until I got to step 4 to put the back of the chair on. If you have another person to hold the chair back for you to align with the chair arm holes and screw in, then you should be OK, but since I had no one to help, I had to take the seat off and lay it down. I still struggled to align the back while the arms were attached to the seat so I removed the arms from the seat and attached them to the chair back and then aligned the seat with the arms and screwed them in. Once done, I inserted the completed assembled seat, chair back, and arm attachments back onto the wheels. The wheels glide very easily and will take you across the room after one push.
I am writing this review the same day I got the chair so will update if I run into any issues. Otherwise, I recommend this chair.
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Reviewed in the United States on February 22, 2022
★★★★★ 4
Comfortable but lack of back support on this chair
Color: Black, Number of Items: 1, Color: Black, Number of Items: 1
I give this chair a 4 star not a 5 star review. Reason for that if you look for the first picture I pst you can see from the back of the chair how it reclines. There is no adjustment to make the back rest come up straight so when your working all day at the desk you is an upright right position. I have to put a pillow behind my back for support cause while working leaning back is uncomfortable and who wants to lean back while working. so there is a lack of back support. .Great gaming chair for that reason. Though I really like the looks and the color of the chair. The material was very soft and the quality was made well. The chair you can make go up or down for the height which is nice. The ability to be able to move the char around while sitting is a plus and the wheels move smooth and with ease. I had to put this together which was simple to do and came with everything I needed when open the box. So before buying if the back support and leaning back isnt an issue for you then this would be the perfect chair for you. Please not the first picture with the darker rug is the chair I got , second picture isnt mine but for a review that their chair was up straight. Isnt the way mine should have come. I didnt questioned or return it because it was so heavy and bulky to take back to a UPS store. I just kept it because everything else was great.
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Reviewed in the United States on January 29, 2026
★★★★★ 5
Beautiful chair with real leather
Color: Light Brown, Number of Items: 1
BEAUTIFUL CHAIR.... so comfortable and worth the price. Extremely easy to put together!! Highly recommend.
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Reviewed in the United States on June 5, 2026
★★★★★ 5
Great price and Quality
Color: Khaki, Number of Items: 1
Best money ever spent on an office chair. At the time of purchase, it was less than half the price of local retail stores. Once we received it and put it together, it was top notch. Better than expected. Now time will tell how long it stays that way. Very comfortable, strong material, and easy to adjust.
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Reviewed in the United States on May 23, 2026
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