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Description
Knight Global Low Profile Jib Cranes, Capacity 2030 lbs, 12 ft Rail Under Clearance - KG MJBA2700A12Knight Global Low Profile Jib Cranes, Capacity 2030 lbs, 12 ft Rail Under Clearance KG MJBA2700A12 Knight's Low Profile Jib Cranes are ergonomically designed to accommodate workstations where ceiling heights are inconvenient for an overhead crane system. This series offers a large tool coverage area with a single rotating rail on a floor mounted pedestal. The MJBA2700 Heavy Duty Low Profile Jib Crane is designed to accommodate heavier loads. Features:
Knight Global Low Profile Jib Cranes, Capacity 2030 lbs, 12 ft Rail Under Clearance - KG MJBA2700A12
Knight's Low Profile Jib Cranes are ergonomically designed to accommodate workstations where ceiling heights are inconvenient for an overhead crane system. This series offers a large tool coverage area with a single rotating rail on a floor-mounted pedestal. The MJBA2700 Heavy Duty Low Profile Jib Crane is designed to accommodate heavier loads.
Features:
- For low headroom clearance applications
- Level Adjustment End Bracket used to adjust pitch of rail
- RAD7510 Series Rail Only
- Adjustable Hard Stop
- Max. Jib Length: Up to 15 ft [4.5m]
- Max. Under Rail Clearance Height: Up to 15 ft [4.5m]
- Max. Capacity: Up to 2030 lbs. [920kg]
- NOTE: Capacities over 1,000 lbs [454 kg] require a Dual Load Trolley
- For capacities greater than 2030 lbs and Custom Lengths Available Upon Request
Benefits:
- Eliminates need for overhead system
- Timken Tapered Roller Bearing
- McGill Cam Yoke Roller Bearing
- Optional MRES7522 Telescoping Rail
- Round post allows for 360 deg rotation
Specifications:
| MJBA2700 JIB BOOM CAPACITY CHART | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Based on L/255 Defection Criteria | |||||||||
| Jib Boom Length | Under Rail Clearance | ||||||||
| 8 ft [2.44m] | 9 ft [2.74m] | 10 ft [3.05m] | 11 ft [3.35m] | 12 ft [3.66m] | 13 ft [3.96m] | 14 ft [4.27m] | 15 ft [4.57m] | ||
| 6 ft [1.83m] | 2030 lbs [920 kg] | 1965 lbs [891 kg] | 1770 lbs [803 kg] | 1605 lbs [728 kg] | 1470 lbs [667 kg] | 1355 lbs [615 kg] | 1255 lbs [569 kg] | 1170 lbs [531 kg] | |
| 7 ft [2.13m] | 1680 lbs [762 kg] | 1520 lbs [689 kg] | 1370 lbs [621 kg] | 1250 lbs [567 kg] | 1150 lbs [522 kg] | 1065 lbs [483 kg] | 985 lbs [447 kg] | 920 lbs [417 kg] | |
| 8 ft [2.44m] | 1410 lbs [639 kg] | 1215 lbs [551 kg] | 1105 lbs [501 kg] | 1010 lbs [458 kg] | 930 lbs [422 kg] | 865 lbs [392 kg] | 805 lbs [365 kg] | 755 lbs [342 kg] | |
| 9 ft [2.74m] | 1140 lbs [517 kg] | 1000 lbs [454 kg] | 915 lbs [415 kg] | 835 lbs [379 kg] | 775 lbs [351 kg] | 720 lbs [326 kg] | 675 lbs [306 kg] | 630 lbs [286 kg] | |
| 10 ft [3.05m] | 930 lbs [422 kg] | 840 lbs [381 kg] | 770 lbs [349 kg] | 710 lbs [322 kg] | 660 lbs [299 kg] | 615 lbs [279 kg] | 575 lbs [261 kg] | 540 lbs [245 kg] | |
| 11 ft [3.35m] | 800 lbs [363 kg] | 715 lbs [324 kg] | 660 lbs [299 kg] | 610 lbs [277 kg] | 565 lbs [256 kg] | 530 lbs [240 kg] | 495 lbs [224 kg] | 470 lbs [213 kg] | |
| 12 ft [3.66m] | 680 lbs [308 kg] | 620 lbs [281 kg] | 570 lbs [258 kg] | 530 lbs [240 kg] | 495 lbs [224 kg] | 465 lbs [211 kg] | 435 lbs [197 kg] | 410 lbs [186 kg] | |
| 13 ft [3.96m] | 590 lbs [268 kg] | 540 lbs [245 kg] | 500 lbs [227 kg] | 465 lbs [211 kg] | 435 lbs [197 kg] | 410 lbs [186 kg] | 385 lbs [175 kg] | 365 lbs [165 kg] | |
| 14 ft [4.27m] | 520 lbs [236 kg] | 475 lbs [215 kg] | 445 lbs [202 kg] | 415 lbs [188 kg] | 390 lbs [177 kg] | 365 lbs [165 kg] | 345 lbs [156 kg] | 325 lbs [147 kg] | |
| 15 ft [4.57m] | 460 lbs [209 kg] | 425 lbs [193 kg] | 395 lbs [179 kg] | 370 lbs [168 kg] | 345 lbs [156 kg] | 325 lbs [147 kg] | 310 lbs [141 kg] | 295 lbs [134 kg] | |
Digital Assets:
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
4.9 ★★★★★
Based on 25 reviews
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Product Reviews
★★★★★ 5
Finally a Chair That Fits and Feels Great
Color: Black, Style: With Headrest
I recently purchased the Marsail Ergonomic Office Chair, and overall, I couldn’t be happier with it.
First off, assembly was incredibly simple. It took me about 30 minutes from start to finish, and the instructions were clear and easy to follow. All the parts were well packaged, and I didn’t run into any issues putting it together.
For reference, I’m 6'2" and about 275 pounds, and this chair fits me very well. As a bigger guy, finding a chair that feels supportive and appropriately sized can be a challenge, but this one hits the mark. The seat is roomy without feeling oversized, and the overall build feels sturdy and solid.
Comfort-wise, it’s been excellent. I work from home and spend about 8–9 hours a day in this chair, five days a week. The thick cushion seat really makes a difference, it stays comfortable throughout the day and doesn’t feel like it’s flattening out after hours of use. I also really like the mesh back. It provides good support while allowing airflow, which helps keep me cool during long work sessions.
The only feature I wish it had is a recline lock at multiple angles. Currently, it only locks in the fully upright position. It would be great to be able to lock it slightly reclined for more flexibility during long workdays.
That said, for the price, ease of assembly, and all-day comfort, this chair delivers tremendous value. I’m giving the Marsail Ergonomic Office Chair 5 stars and would definitely recommend it to anyone looking for a comfortable, supportive office chair, especially if you’re on the taller or bigger side like me.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 2, 2026
★★★★★ 5
This is a terrific office chair at a great price!
Color: Dark Blue, Style: pack of 1
Easy to assemble, with comfortable armrests, lumbar support, and all the functions...it can rock, recline, roll and swivel, plus the seat control easily adjusts up & down, and it comes in a variety of colors. This is my best Amazon purchase ever!!
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Reviewed in the United States on May 22, 2026
★★★★★ 5
A Solid, No-Frills Office Chair That Gets the Job Done
Color: Black, Style: pack of 3
I bought the BestOffice Home Office Chair Ergonomic Desk Chair because I needed something affordable and functional for our conference room. I wasn’t looking for anything high-end—just something comfortable enough to get through staff meetings without complaints of sore backs.
Out of the box, assembly was pretty straightforward. It took me about 20–30 minutes, and the instructions were clear enough that I didn’t run into any major issues. Once set up, the chair feels lightweight but stable, and it rolls smoothly across the low pile carpeted office floor.
The mesh back is probably the best feature. It keeps airflow going, which makes a big difference if you sit for long periods or in a warmer environment. I’ve had padded chairs before that trap heat, so this was a noticeable improvement right away.
The lumbar support is decent for the price. It’s not adjustable in a high-end sense, but it does help encourage better posture and reduces that “slouching into the chair” feeling over time. The armrests are basic, but they do the job for light support.
Comfort-wise, it’s good for moderate use. I can sit in it for a few hours at a time without discomfort, but if you’re planning to sit all day every day, you might want something with more padding and customization.
A few drawbacks worth mentioning:
The cushioning is on the firmer side and I worry may wear with extensive use
The chair is more budget-oriented in build quality
Adjustability is somewhat limited compared to higher-end ergonomic chairs
That said, for the price, it delivers exactly what it promises. It’s a simple, functional office chair that covers the basics without overcomplicating things.
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Reviewed in the United States on March 23, 2026
★★★★★ 4
Good chair and great value, comfortable
Color: Dark Black, Style: pack of 1, Color: Dark Black, Style: pack of 1
The chair is as you expect for this price range
The only Issue is the thigh length is shorter then I thought but still works. The air fabric helps
Keeps it cool to sit in for long periods without sweating
It’s a great chair to sit in for 8 hours as I usually do writing and project planning at my desk.
Over all the assembly was simple and all
The instructions were there with the tools as well.
It rolls fine on my vinyl floor. It’s definitely value for your money on this one and the over all design is fine and works to me at this point.
It don’t have squeaky tires so the noise is good rolling around
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Reviewed in the United States on January 28, 2026
★★★★★ 5
Great value
Color: Red, Style: pack of 1, Color: Red, Style: pack of 1
Easy to put together. Only tough part was getting the wheels on, needed someone strong to attach them. Once together it is a great chair. Height adjusts up and down easily and rolls smoothly. Sturdy chair and the red looks great!
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Reviewed in the United States on June 11, 2026
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