These are suitable for Underwater/Marine use?

These extension arms can be used under sea water. First of all, this product is underwater shooting supplies. Secondly, this ball extension arm is made of aluminum alloy, which has excellent corrosion resistance.

Will the small balls at the ends slip?

Having never have slip while using them as long as you remembered to tighten the clamp. The friction from the silicone ring and the clamps, which can be adjusted to obtain by adjusting the clamp locking.

An extension arm has two length sizes, how should I choose?

From this end of the ball to the other end of the ball is the overall length of the extension arm, but according to the actual size of the product that can be used, it should start from the red silicone O-ring.

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8" Double Ball Aluminum Extension Arm

Product ID: 267744949

Details

Brand
MINIFOCUS
Color
2PCS 8'' Ball
Compatible Devices
Compatible for
Folded Size
4.5 inches (l)
Item Weight
6.72 ounces
Number of Items
2

💧Waterproof & rustproof design

📏8-inch precision length

⚙️CNC anodized aluminum alloy

321 zł

Duties & taxes included

In stock

Sold byAmazon PolandDelivered 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 Poland.

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Description

💡 Illuminate your dive like a pro—never miss the perfect shot!

LIGHTWEIGHT HOLLOW DESIGN - Minimizes underwater drag and fatigue without compromising strength or stability.
DURABLE CNC ALUMINUM ALLOY - Engineered from corrosion-resistant anodized aluminum for long-lasting, rustproof performance.
UNIVERSAL 1 BALL HEAD CONNECTOR - Seamlessly compatible with all 25mm ball head systems—plug and play versatility.
PRECISION 8 DOUBLE BALL EXTENSION - Optimize your underwater rig with exact 20.3 cm reach for perfect lighting angles.
STABLE CONNECTION WITH SILICONE O RINGS - Friction gasket protection ensures rock-solid, wobble-free mounting for your strobes and video lights.

The MINIFOCUS 8" Double Aluminum Extension Arm (2-pack) is a premium underwater accessory crafted from corrosion-resistant CNC anodized aluminum. Featuring a universal 1" ball head connector with silicone O-ring gaskets, it offers stable, adjustable mounting for strobes and video lights. Its lightweight hollow design reduces underwater resistance, making it ideal for professional divers and underwater photographers seeking precision and durability.

Specifications

ASIN	B08MYX5S3H
Best Sellers Rank	#2 in Underwater Lighting Parts & Accessories
Brand	MINIFOCUS
Built-In Media	2x 8'' Double Ball Extension Arm
Color	2PCS 8'' Double Ball Extension Arm
Compatible Devices	Compatible for all arm systems that has a ball head which diameter is 25 mm/1 inch
Customer Reviews	4.8 4.8 out of 5 stars (123)
Folded Size	4.5 inches (l) x 1 inch (w) x 1 inch (h)
Item Dimensions D x W x H	1"D x 1"W x 9"H
Item Weight	6.72 ounces
Manufacturer	MINIFOCUS
Manufacturer Part Number	MF08
Maximum Weight Recommendation	158 g
Model Name	Double Ball Extension Arm
Model Number	MF-08
Number of Items	2
Screen Size	20.3 centimeters
UPC	824382490484
Warranty Description	30 Days
Water Resistance Level	Waterproof

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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.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Vikram D.

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

2 weeks ago

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321 zł

Duties & taxes included

In stock

Sold byAmazon PolandDelivered 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 Poland.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

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

5 days ago

Vikram D.

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

2 weeks ago

View all Trustpilot reviews