Id like to make sure these are single-function, wobble-only; that dual-function -- half-in, wobble function, fully in no wobble -- are too fickle. Tnx

If put in the wrench properly they will not wobble

Are these designed for use with an impact wrench?

Yes they are for a wrench sizes are specified

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CASOMAN 9 Pieces Extension Bar Set, 1/4", 3/8" and 1/2" Drive Socket Extension, Premium Chrome Vanadium Steel with Black Phosphate Finish

CASOMAN 9 Pieces Extension Bar Set, 1/4", 3/8" and 1/2" Drive Socket Extension, Premium Chrome Vanadium Steel with Black Phosphate Finish

Product ID: 241299071

Details

Brand
CASOMAN
Colour
Black
Item length
254
Item weight
1580 Grams
Material
(50BV30)

⚙️Premium 50BV30 Chrome-Vanadium steel

🛠️9-piece versatile extension set

🛡️Corrosion-resistant black phosphate finish

₩98133

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Description

🛠️ Extend Your Reach, Elevate Your Craft!

BUILT TO LAST - Meets/exceeds DIN standards with a 1-year quality warranty for peace of mind.
PRECISION FIT - Spring-loaded detent ball ensures a secure, no-slip socket connection under high torque.
VERSATILE REACH - Includes 9 extension bars across 1/4", 3/8", and 1/2" drives for every job size.
ORGANIZED MOBILITY - Durable blow-molded carrying case keeps your tools protected and ready on the go.
UNMATCHED DURABILITY - Crafted from premium 50BV30 Chrome-Vanadium steel for heavy-duty performance.

The CASOMAN 9-Piece Extension Bar Set features premium 50BV30 Chrome-Vanadium steel with a corrosion-resistant black phosphate finish, delivering exceptional durability and reliability. Designed for professional-grade performance, it includes nine extension bars across three drive sizes (1/4", 3/8", 1/2") with spring-loaded detent balls for secure socket fitment. Packaged in a rugged blow-molded case, this set meets DIN standards and comes with a 1-year warranty, making it the ultimate upgrade for any serious toolkit.

Specifications

ASIN	B089GFQTQP
Best Sellers Rank	46,409 in DIY & Tools ( See Top 100 in DIY & Tools ) 343 in Socket Sets
Brand	CASOMAN
Colour	Black
Country of Origin	China
Customer Reviews	4.8 4.8 out of 5 stars (2,346)
Finish	corrosion-resistant black phosphate finish
Item Length	254 Millimetres
Item Package Quantity	1
Item Weight	1580 Grams
Manufacturer	CASOMAN
Manufacturer Warranty Description	It comes with 1 year quality warranty.
Material	Chrome-Vanadium (50BV30)
Measurement Standard	SAE
Model Number	CS074
Number of Items	9
Part Number	CS074
Set Name	9 Piece Extension Bar Set
Unit Count	1.0 count

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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

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₩98133

Duties & taxes included

In stock

Sold byAmazon South KoreaDelivered 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 South Korea.

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TrustScore 4.5 | 7,300+ reviews

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

3 weeks ago

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Great experience from order to delivery. Highly recommended!

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