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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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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MINIFOCUS 4" Double Ball Aluminum Extension Arm, 1" Ball Head Connector Underwater CNC Arm System Ball Head Extension for Strobe/Video Light/Diving Camera Tray, Waterproof and Rustproof (2pack)

Product ID: 422502486

Details

Brand
MINIFOCUS
Color
2PCS 4'' Ball
Compatible Devices
All arm that a
Folded Size
4 inches
Item Weight
4.1 ounces
Number of Items
2

💧Waterproof & rustproof design

📏4-inch precision length

⚙️CNC anodized aluminum alloy

¥9199

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In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💡 Illuminate your underwater world with precision and style!

UNIVERSAL COMPATIBILITY - Fits all 1" ball head arm systems for seamless gear integration
LIGHTWEIGHT HOLLOW DESIGN - Minimizes drag and fatigue during extended dives
STABLE 1 BALL HEAD CONNECTOR - Silicone O-ring friction gaskets for secure, wobble-free attachments
PREMIUM CORROSION RESISTANT ALLOY - CNC-machined aluminum ensures durability in harsh marine environments
PRECISION 4 DOUBLE BALL EXTENSION - Optimized length for versatile underwater lighting setups

The MINIFOCUS 4" Double Ball Aluminum Extension Arm (2-pack) is a lightweight, corrosion-resistant underwater accessory crafted from anodized CNC aluminum alloy. Designed for professional divers and photographers, it features a hollow design to reduce drag, stable 1" ball head connectors with silicone O-rings for secure attachments, and universal compatibility with all 1" ball head arm systems. Waterproof and rustproof, this extension arm optimizes your strobe or video light positioning to capture stunning underwater visuals.

Specifications

ASIN	B09PR75JYD
Best Sellers Rank	#2 in Underwater Lighting Parts & Accessories
Brand	MINIFOCUS
Built-In Media	2 x 1 inch ball arm
Color	2PCS 4'' Double Ball Extension Arm
Compatible Devices	All arm systems that has a ball head which diameter is 25mm/1 inch
Customer Reviews	4.8 4.8 out of 5 stars (128)
Folded Size	4 inches
Item Dimensions D x W x H	1"D x 1"W x 5"H
Item Type Name	Double ball extension arm.
Item Weight	4.1 ounces
Manufacturer	MINIFOCUS
Manufacturer Part Number	MF-04
Maximum Weight Recommendation	5 ounces
Media Type	ProductImage
Model Name	MF-04
Model Number	MF-04
Number of Items	2
Number of Packs	2
Screen Size	4 inches
Unit Count	2 Count
Warranty Description	90 days
Water Resistance Level	Waterproof

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TrustScore 4.5 | 7,300+ reviews

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¥9199

Duties & taxes included

In stock

Sold byAmazon JapanDelivered 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 Japan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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