I want to clamp this to a tube. What is the maximum tube diameter the bottom clamp will attach to?

The max the jaws will open to is 50mm. However when fully open like this the tip of the jaws won't wrap far enough round a tube to attach firmly. I don't rely on the clamp alone if the tube I'm fitting it to is bigger than 40mm diameter. Hope this helps?

Would this fit well on an Elgato keylight?

from what I can see on the net, the KeyLight pole secures to the base with a 1/4" screw - exactly the same as the SmallRig Mount you should therefore be able to replace the base with the SmallRig and have a lot more mounting options for the KeyLight - the SmallRig is certainly strong and secure enough to hold the KeyLight in place even if it is mounted at an acute angle

Is it big enough to attach a dslr to a pole and take landscape pictures?

I am not sure what you are thinking when you say "attach to a pole" but I have this item and Small Rig is great stuff at a good price, this is however very lightweight for what you may be wanting to do, if your DSLR is very small and light then maybe but anything heavier I think may come to grief, bit of wind or a screw not tight enough, I would suggest for landscapes a proper tripod, I use these clamps to hold small torches or small items, for a DSLR I would look at Manfrotto clamps if it has to go on a specific pole, hope that helps

Whats the maximum payload ?

Thanks for your question. The perfect load we suggest is less than 1.3 kg. This clamp is made of high class aluminum alloy, super strong and solid.

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SMALLRIG Upgrade Camera Mount Clamp, Double Ball Head Magic Arm with Clamp, S...

Product ID: 48024260

Details

Brand
SMALLRIG
Colour
Black
Compatible devices
Aciton Camera
Compatible phone models
Universal
Mounting type
Clamp

🔒Non-slip threads & anti-twist structure

🦀Crab-shaped super clamp design

⚖️Supports up to 1.5kg load

COP 147035

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Sold byAmazon ColombiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🦀 Clamp in. Level up your content game.

HEAVY LIFTER ⚖️ - Supports up to 1.5kg—perfect for GoPros, webcams, monitors, and lights without compromise.
ROCK SOLID GRIP 🦀 - Enhanced crab-shaped clamp ensures zero slip and ultimate stability for your gear.
COMPACT POWERHOUSE 📏 - Lightweight yet durable metal build fits seamlessly into any creative workflow or travel kit.
VERSATILE MOUNTING 🎥 - Double ball head magic arm offers flexible angles for professional-grade content creation.
TWIST PROOF SECURITY 🔒 - Anti-twist design with non-slip threads locks your setup tight, so you never miss a shot.

The SMALLRIG Upgrade Camera Mount Clamp 1138B features a crab-shaped super clamp with non-slip threads and an anti-twist structure, supporting up to 1.5kg. Designed for GoPro, webcams, cameras, monitors, and lights, it offers versatile double ball head magic arm adjustments in a compact, durable metal build—trusted by thousands of creators for rock-solid stability and precision.

Specifications

ASIN	B00SIRAYX0
Best Sellers Rank	5 in Tripod Accessories
Brand Name	SMALLRIG
Colour	Black
Compatible Devices	Aciton Camera, Shotgun Micphone, Fill Light, Cameras, Camera Monitor
Compatible Phone Models	Universal
Compatible with Vehicle Type	car, motorcycle
Country of Origin	China
Customer Reviews	4.7 4.7 out of 5 stars (3,820)
Enclosure Material	Metal
Included Components	Crab-Shaped Clamp x1, GoPro Mount Adapter x1
Item Dimensions	9.5 x 8.5 x 2.5 centimetres
Item Weight	0.2 Kilograms
Manufacturer	SMALLRIG
Manufacturer Part Number	1138-CF
Maximum Weight Capacity	1500 Grams
Model Name	Crab-Shaped Super Clamp with Ballhead Magic Arm
Model Number	1138-CF
Mounting Type	Clamp
Product Features	Adjustable
Product Warranty	2 year manufacturer
UPC	694977330163
Water Resistance Level	Not Water Resistant

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COP 147035

Duties & taxes included

In stock

Sold byAmazon ColombiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Colombia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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