How much weight can this support?

The Petzl ascension is certified to the EN 567 standard that says 4kN (900lbs) static load without destroying the device or rope. The key is static load. The device can withstand higher static loads to about 6kN (1350lbs), but any dynamic load applied from 4kN (900lbs) to 6kN even for a millionth of a second will eat your rope to shreds. The general rule is toothed cam devices eat rope at 4kN (900lbs), so don't use it as a rope grab, fall arrester, or progress capture unless you really know what your doing. The EN12841 type B standard tests show that it will handle dynamic loads over 4kN (900lbs), but it becomes very depended on what type / age of rope is used. Its a hand ascender for body weight (static loads), if your using it for something else consider another device.

Is this a practical solution for hanging my kids' rope swing to make it easily height-adjustable? Indoor use. 10.5 mm static rope.

No it's intention is too ascend rope, I see what your thinking but eventually the rope its hanging unto not the actual swings rope but what its holding would fail from being used in a fixed position.

What diameter rope is this for? ca i use it with 12-strand arborist climbing rope, 1/2" by 150' blue ox rope?

It will accept 8mm to 13mm rope - Arborist rope will be fine.

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PETZL Ascension Ergonomic Handled Ascender for Rope Ascents

Product ID: 15462224

Details

Brand
PETZL
Color
Yellow
Item Weight
165 Grams
Material
Aluminum
Recommended Uses For Product
Climbing

🧤Wide handle fits thick gloves

⚙️Self-cleaning toothed cam

🖐️Ergonomic dual-density grip

$159.46

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Description

🧗‍♂️ Ascend with confidence—grip, grip, ascend! Don't get left hanging.

SEAMLESS DUAL HANDED USE - Right-handed design pairs perfectly with left ascenders for smooth, efficient rope ascents.
GLOVE FRIENDLY WIDE OPENING - Generous handle size lets you maintain a secure hold with thick gloves—no fumbling, just climbing.
OPTIMIZED CAM FOR ANY TERRAIN - Self-cleaning toothed cam prevents rope slippage on frozen or dirty ropes, delivering reliable performance every time.
POWERFUL GRIP EFFORTLESS ASCENTS - Ergonomic molded handle ensures maximum comfort and control, even in wet or cold conditions.
TACTICAL OR HIGH VISIBILITY OPTIONS - Choose stealth matte black or vibrant yellow for your climbing style and safety needs.

The Petzl ASCENSION Ergonomic Handled Ascender is a top-tier climbing tool designed for professional and recreational rope ascents. Featuring a dual-density overmolded handle for superior grip, a wide opening for gloved hands, and a self-cleaning toothed cam for dependable performance on all rope conditions, it supports safe and efficient climbing. Certified to CE and NFPA standards, lightweight at 165g, and backed by a 3-year warranty, it’s the trusted choice for serious climbers seeking precision and durability.

Specifications

ASIN	B00Q78W64M
Best Sellers Rank	#59,471 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #5 in Climbing Ascenders
Brand Name	PETZL
Color	Yellow
Customer Reviews	4.8 4.8 out of 5 stars (1,128)
Global Trade Identification Number	03342540100404
Included Components	Rope Clamp
Item Dimensions L x W	11.81"L x 7.87"W
Item Weight	165 Grams
Lock Type	Wire Lock
Manufacturer	Petzl
Material Type	Aluminum
Recommended Uses For Product	Climbing
Shape	D-Shape
Unit Count	1 Count
Warranty Description	3 year manufacturer warranty

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$159.46

Duties & taxes included

In stock

Sold byAmazon USADelivered 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 USA.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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