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 g
Material
Aluminum
Recommended Uses For Product
Climbing

🧤Wide handle opening for thick gloves

⚙️Self-cleaning toothed cam

🖐️Ergonomic dual-density grip

€ 158.76

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Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🧗‍♂️ Ascend with confidence—grip, glide, and conquer every rope!

GLOVE FRIENDLY DESIGN - Wide handle opening ensures easy grasp with thick gloves, so you never lose momentum.
RIGHT HANDED PRECISION - Pair with left-handed ascender for smooth, efficient rope ascents every time.
SEAMLESS COMPATIBILITY - Dual holes for quick attachment of carabiners, footloops, and lanyards streamline your setup.
OPTIMIZED CAM PERFORMANCE - Self-cleaning toothed cam prevents snagging on frozen or dirty ropes for reliable climbs.
POWERFUL GRIP EFFORTLESS ASCENTS - Ergonomic molded handle maximizes comfort and control, even in wet or cold conditions.

The PETZL Ascension Ergonomic Handled Ascender is a top-tier climbing tool designed for professional and recreational rope ascents. Featuring a dual-density ergonomic handle for superior grip, a wide opening for gloved hands, and a self-cleaning toothed cam that excels in all conditions, it ensures dependable performance. Certified to CE and NFPA standards, lightweight at 165g, and backed by a 3-year warranty, it’s the trusted choice for climbers seeking efficiency and safety.

Specifications

Asin	B00Q78W64M
Best Sellers Rank	#29,069 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 (1,096) 4.8 out of 5 stars
Global Trade Identification Number	03342540100404
Included Components	Rope Clamp
Item Dimensions L X W	11.81"L x 7.87"W
Item Weight	165 g
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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€ 158.76

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered 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 Greece.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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2 weeks ago

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The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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