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Description
Roll N Lock RC448E - E-Series 09-18 (19-23 Classic) Ram 1500 10-23 2500/3500, 6.4' w/o RmBxWhen it comes to protecting your truck and gear, only the best will do. The top of the line E Series electric retractable tonneau is the ultimate choice in truck bed cover convenience and security. Proving itself every day on the road and on the job, the E Series tonneau cover is trusted by truck owners around the world for its premium, American made quality, versatility, and craftsmanship. With the push of a button, a commercial grade electric motor
When it comes to protecting your truck and gear, only the best will do. The top of the line E-Series electric retractable tonneau is the ultimate choice in truck bed cover convenience and security. Proving itself every day on the road and on the job, the E-Series tonneau cover is trusted by truck owners around the world for its premium, American-made quality, versatility, and craftsmanship. With the push of a button, a commercial-grade electric motor automatically opens and closes the tonneau cover, allowing fast and easy access to the contents of your truck bed. The E-Series tonneau cover opens or closes in seconds, with one very important upgrade: the ultra-convenient key fob. We never compromise and neither should you. Roll-N-Lock's E-Series tonneau cover outlasts and outperforms the competition due to the high quality of its tough, powder-coated aluminum construction and unique, theft-resistant hinge design. With its never-before-seen level of truck bed security and rugged commercial motor, this is the cover to beat all covers. You should expect more from your tonneau cover; get the most with a Roll-N-Lock E-Series Retractable Cover.
Specifications:
| Description_DEF | Tonneau Cover |
| Description_DES | E-Series - 09-18 (19-23 Classic) Ram 1500; 10-23 2500/3500, 6.4' w/o RmBx |
| Description_EXT | E-Series Locking Retractable Truck Bed Cover for 2019-2023 Ram 1500 Classic; 2009-2018 Dodge Ram 1500; 2010-2023 Dodge Ram 2500/3500 6.4 Ft. Bed (Excludes models withRamBox) |
| Description_INV | Roll-N-Lock Electric Retractable Cover |
| Description_SHO | Retractable Cover |
| Description_FAB | Key fob allows you to open, close, stop and lock anywhere along the length of the bed |
| Description_FAB | Patented theft resistant hinge that provides maximum security |
| Description_FAB | Powder-coated aluminum cover body built to withstand the harshest of conditions |
| Description_FAB | Durable commercial motor for long-lasting operation |
| Description_FAB | Pressure sensitive stop; stops in place upon contact with an object in the bed |
| Description_FAB | Recessed drain fittings to ensure rapid and complete drainage |
| Description_FAB | Most compact housing of all retractable covers, preserving valuable truck bed space |
| Description_MKT | When it comes to protecting your truck and gear, only the best will do. The top of the line E-Series electric retractable tonneau is the ultimate choice in truck bed cover convenience and security. Proving itself every day on the road and on the job, the E-Series tonneau cover is trusted by truck owners around the world for its premium, American-made quality, versatility, and craftsmanship. With the push of a button, a commercial-grade electric motor automatically opens and closes the tonneau cover, allowing fast and easy access to the contents of your truck bed. The E-Series tonneau cover opens or closes in seconds, with one very important upgrade: the ultra-convenient key fob. We never compromise and neither should you. Roll-N-Lock's E-Series tonneau cover outlasts and outperforms the competition due to the high quality of its tough, powder-coated aluminum construction and unique, theft-resistant hinge design. With its never-before-seen level of truck bed security and rugged commercial motor, this is the cover to beat all covers. You should expect more from your tonneau cover; get the most with a Roll-N-Lock E-Series Retractable Cover. |
| Description_ASC | All E-Series Units Automatically Stop When Contacting The Tailgate. Units Will Stop Anywhere Along The Tracks When Using The Remote; Therefore There Is No Lock On The Handle And No Tailgate Extrusion |
| Description_ASM | 2009-2010 Dodge Ram 1500 76.3 Bed, 2009-2010 Dodge Ram 2500 76.3 Bed, 2009-2010 Dodge Ram 3500 76.3 Bed, 2011-2018 Ram 1500 76.3 Bed, 2019-2023 Ram 1500 Classic 76.3 Bed, 2011-2023 Ram 2500 76.3 Bed, 2011-2023 Ram 3500 76.3 Bed |
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
4.4 ★★★★★
Based on 14 reviews
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Product Reviews
★★★★★ 5
Great chair
Color: Pink
I love this chair! I use it for streaming and working on making jewelry! It’s very comfortable and I love that I can sit different ways in it! I can stream longer than I could in other computer chairs I’ve had! I definitely recommend this if you have to sit for a long time but like to sit in different positions! The instructions were a bit confusing but I did figure it out! I have had to spot clean it a few times because of kids and pets but the material has held up! The back is very comfortable and supportive! I like that I can adjust it! Great chair for the price! It’s held up well and I like that you can adjust the back!
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Reviewed in the United States on June 11, 2026
★★★★★ 4
Good office chair for the money
Color: White
It is a good quality chair that is comfortable and aesthetically pleasing.
The arms aren't necessarily big enough to hold our cat - but that's because he's fairly large by cat standards. The arm rests moving is definitely nice and provides lots of opportunities to 'setup the chair' in a way that works best for you.
The instructions were relatively easy to follow (take your time and think it through to make sure you have everything 'aligned right' at first) and the chair is sturdy and holding up well.
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Reviewed in the United States on April 17, 2026
★★★★★ 5
Comfortable. Great Value for money. Easy to assemble. Great customer service.
Color: Black, Size: Pack of 1, Color: Black, Size: Pack of 1
I've been looking for a new chair to replace a cheap $30 chair i bought off of Amazon last year that had been killing my back and shoulders. I wanted something in the $150-$200 range and settled on the M18. Shipping was a fast 3 days with Prime and the box arrived in great condition.
All parts were separately wrapped or in their own boxes. Came with all hardware and nothing was missing. Assembly took me a little longer then normal because i have rotator cuff injury in my left shoulder so that arm is mostly useless. The most difficult part for me was attaching the wheels to the base. Other then that it was simple.
Once the chair was assembled i sat in it for the first time and started making my adjustments with the recline feature, armrest level along with the headrest. Next i reached around for the lumbar support knob and tried to adjust it but with my bad shoulder i decided to just get out of the seat and turn it around and adjust it with both hands. After spinning the chair a round to get at the lumbar knob i noticed a large crack in the plastic in the middle of the back of the lumbar plastic piece. I had not made any lumbar adjustments yet so i assumed this is how i received it. The lumbar support comes preinstalled to the backrest so it either was damaged before or during the shipping process. Either way it was damaged before being delivered to me. The lumbar support still functioned properly but it was still broken.
I decided to contact Sihoo's customer support that came along with the installation instructions regarding the damaged lumbar piece. I received a reply the next day and after sending them some more info about my order and a couple pics they shipped me a replacement part which took a week to arrive. I swapped out the damaged part and after owning the chair for a week so far i am really happy with my purchase.
Im about 5'10 180lbs. At its highest height level my feet reach the ground comfortably flat footed. The backrest fully covers my back and the headrest adjusts very well to sit on the back of my lower head/upper neck. The armrests only go up and down....not forward and back or tilt inwards. This is fine for me as they are grooved to fit your forearm while sitting at your desk/keyboard. The armrests are also a soft cushioned rubber material...not a hard plastic. The mesh of the backrest and headrest are good material and seem well made. The seat is very wide and the cushioning is firm which i prefer. Usually more firm cushioning seems to last longer and hold its form. The base of the chair is VERY sturdy and made of all metal. My chair is on carpet and holds its position very well. As far as recline goes you can set it to recline all the way back, half way or lock the chair in the upright position. You can also adjust the resistance on the reclining feature.
So that being said im very happy with my purchase. It arrived with a slight flaw which the company corrected in a fast manor and was very polite in their customer support. I personally don't have a lot of experience with many office chairs and have never used a high end chair($500-$1000+) chair before to make any comparisons. All my chairs for the most part have been from local stores like Staples or Office Depot. Id recommend this over anything they carry in this price range....and i went and looked at their products before buying this chair as well.
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Reviewed in the United States on September 1, 2023
★★★★★ 5
SIHOO M18 chair is amazing
Color: Black, Size: Pack of 1
I purchased the SIHOO M18 Ergonomic Chair a few years ago and have really enjoyed it. It’s very comfortable and offers multiple adjustments, whether you want to recline and relax or sit upright for work. The back support is also excellent, and I haven’t had any issues with the chair at all. You can easily tell it’s high quality from the build and appearance—no creaks or noises whatsoever. I highly recommend this chair to anyone in the market for a new office chair.
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Reviewed in the United States on June 12, 2026
★★★★★ 4
Good budget-friendly option
Color: Black, Size: Pack of 1, Color: Black, Size: Pack of 1
The chair arrived 4 days early and was easy to put together by following the instructions carefully. It feels sturdy and comfortable. It does support the lumbar region of the back and the arm rests are adjustable vertically as well as the head rest. I wish the arm rests were able to rotate in and out for added customization and that the back of the chair could be adjusted up and down for more precise support. But for a budget chair, it does a good job.
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Reviewed in the United States on June 4, 2026
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