Are they uiaa certified?

I believe so. They have CE and KN rating so they are at least CE certified. I dont use them as lifeline due to still not 100% trusting in them, I use them for rigging limbs for ziplines or soft drops. Amazing feeling carabiners tho. Would recommend for rigging. For Lifeline go with Petzl or another known name brand.

Has there been stress-testing done, trying to collapse the lock from the outside in?

Probably a question for the manufacturer. I can tell you that I use these to connect my deer stand climbing harness to my safety line. Last year in a pouring rain when I slipped, I didn't hit the ground! PTL.

Is this strong enough to replace a collars d-ring to sustain heavy pulling by a 90lbs male german shepherd?

I have a 100 lb Czech working line GSD that is incredible strong, and I bought this for a tie out in my front yard. Since he's broken a collar and a harness running at people walking their dogs past our yard, I decided to beef everything up. I can confirm this will not break with a GSD running full speed and trying to get to another dog. If you're using it as part of a leash, you'll lose an arm before this thing breaks.

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Auto Locking Rock Climbing Carabiner Clips, UIAA Certified Professional 25KN (5620 lbs) Heavy Duty Caribeaners for Rappelling Swing Rescue & Gym etc,Large Carabiners,D-Shaped

Product ID: 237546314

Details

Brand
FVW
Color
3*black
Item Weight
9.6 ounces
Recommended Uses For Product
Camping
Shape
D-Shape

🔒Auto-locking twistlock for one-hand safety

🪂25KN (5620 lbs) ultra-strong hold

✈️Aircraft-grade 7075 aluminum alloy

163.26 DT

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Description

🔗 Lock in safety, unlock your adventure!

UNMATCHED STRENGTH - Supports a massive 5620 lbs load—trust your gear with pro-grade power.
CERTIFIED CONFIDENCE - UIAA certified for professional use—gear up like the experts do.
LIGHTWEIGHT YET DURABLE - Crafted from aircraft-grade aluminum alloy for maximum strength without the bulk.
EFFORTLESS ONE HAND LOCKING - Twist and secure with a single hand—speed and safety in perfect harmony.
GENEROUS SIZE FOR VERSATILITY - Large 4.5" x 2.9" D-shaped design fits all your climbing, camping, and everyday carry needs.

These UIAA certified Auto Locking Rock Climbing Carabiners are crafted from aircraft-grade 7075 aluminum alloy, delivering a heavy-duty 25KN (5620 lbs) load capacity. Featuring a smooth, twistlock auto-lock mechanism operable with one hand, they combine professional-grade safety with lightweight portability. Their large D-shaped design makes them perfect for climbing, rappelling, camping, and everyday carry, backed by a trusted brand with excellent customer reviews.

Specifications

ASIN	B08J3Y5G4D
Best Sellers Rank	#20,546 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #12 in Locking Climbing Carabiners
Brand Name	FVW
Color	3*black
Customer Reviews	4.7 4.7 out of 5 stars (2,310)
Item Dimensions L x W	4.5"L x 2.9"W
Item Weight	9.6 ounces
Lock Type	Screw Lock
Manufacturer	Zhejiang Jinrui Hardware Rigging Co. Ltd
Recommended Uses For Product	Camping
Shape	D-Shape
UPC	769044711920 769044269841

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TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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Great price for an authentic product. Fast international shipping too!

3 weeks ago

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163.26 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered 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 Tunisia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ravi S.

I loved the variety of products available. Will definitely shop again.

2 months ago

Ayesha M.

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

5 days ago

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