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Adjustable Trolley with Safety Plates, 10000 lbs. (5 tons) Capacity, 4-14/16" - 6-7/8"

Marsoni M251S
Sale price$571.35
Pay 4 payments of $142.84 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Adjustable Trolley with Safety Plates, 10000 lbs. (5 tons) Capacity, 4-14/16" - 6-7/8"Easily adjusts to fit various flanges, I beams and H beams Use on straight or curved track Can be installed or removed at any position on the beam Heavy duty cast iron wheels Deep width flange provides superior contact with the beam Safety plate included Geared trolleys include two geared wheels operated by hand chain Meets ANSI B30. 11 Capacity: 10000 lbs. (5 tons) I Beam Flange Width: 4 14 16" 6 7 8" Manufacturer's Warranty: 1 Year Limited Net
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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4.3 ★★★★★
Based on 2196 reviews
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Product Reviews
A
Verified Purchase
Amazon Customer
Houston, US
★★★★★ 5
Solid Product
I was a bit skeptical based on the price ($85 total after taxes) but you can tell that for the price, this thing is sturdy and high quality. Holds solid onto the vent and keeps my iPhone in place. Easy to adjust and move to your liking, also easy to turn 90* and have your phone sideways. Only drawback is that is obstructs the view of the clock on my 4Runner and slightly obstructs my windshield, but I am sure I will get used to it.
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Reviewed in the United States on May 14, 2026
A
Verified Purchase
Annika Chestnut
Massapequa, US
★★★★★ 5
Great phone holder
I use this phone mount in my Subaru Impreza, and it works perfectly with my vents. It holds my phone super securely—no wobbling or slipping—so it’s great for navigation or hands-free use. Really solid and reliable for the price.
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Reviewed in the United States on November 5, 2025
A
Verified Purchase
Amanda & Josh
Draper, US
★★★★★ 4
Excellent product.
First impression: excellent product. The only reason I deducted a star is because the price is obviously quite insane.
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Reviewed in the United States on February 26, 2026
E
Verified Purchase
Edward F Alves
Los Angeles, US
★★★★★ 5
A+ mount for 4Runners
This is the best phone mount I've ever had. Got it for my 2021 4Runner. Very strong, doesn't come loose, easy to place and remove the phone from the mount. Can't recommend enough.
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Reviewed in the United States on February 13, 2026
W
Verified Purchase
Wildman
Lake Worth, US
★★★★★ 5
High quality
Very nice and secure. This one is built to last!
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Reviewed in the United States on May 11, 2026

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