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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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

💪Ergonomic grip for max power

❄️Self-cleaning cam for all conditions

🧗‍♂️Wide openings for easy carabiner use

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€ 154.90

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Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🧗‍♀️ Ascend smarter, grip stronger, climb higher — don’t get left on the ground!

POWER GRIP NO SLIP - Ergonomic molded handle ensures effortless, secure ascents—even with thick gloves.
DUAL HANDED EFFICIENCY - Designed for right-hand use; pair with left-handed ascender for smooth, balanced climbs.
LIGHTWEIGHT DURABILITY - Crafted from aluminum, weighing just 165g—heavy-duty strength without the bulk.
ALL WEATHER RELIABILITY - Toothed cam with self-cleaning slot keeps performance flawless on frozen or dirty ropes.
SEAMLESS GEAR INTEGRATION - Wide lower hole fits multiple carabiners for lanyards and footloops, streamlining your setup.

The Petzl Ascension Ergonomic Handled Ascender is a top-tier climbing tool featuring an overmolded ergonomic grip for powerful, comfortable ascents. Its wide openings allow quick attachment of carabiners and footloops, while the self-cleaning toothed cam ensures reliable performance in all conditions. Lightweight yet durable aluminum construction and a right-handed design make it a trusted choice for professionals and adventurers alike, backed by a 3-year warranty and stellar user reviews.

Specifications

ASIN	B00Q78W64M
Best Sellers Rank	#66,706 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #6 in Climbing Ascenders
Brand Name	PETZL
Color	Yellow
Customer Reviews	4.8 4.8 out of 5 stars (1,126)
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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