--- product_id: 458285846 title: "5\" 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)" brand: "minifocus" price: "€ 62.62" currency: EUR in_stock: true reviews_count: 8 category: "Minifocus" url: https://www.desertcart.hr/products/458285846-5-double-ball-aluminum-extension-arm-1-ball-head-connector store_origin: HR region: Croatia --- # Corrosion-resistant anodized CNC aluminum 360° adjustable ball head connector 5" double 1" ball extension arms 5" 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) **Brand:** minifocus **Price:** € 62.62 **Availability:** ✅ In Stock ## Summary > 🌟 Elevate your underwater lighting game with precision and style! ## Quick Answers - **What is this?** 5" 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) by minifocus - **How much does it cost?** € 62.62 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/458285846-5-double-ball-aluminum-extension-arm-1-ball-head-connector) ## Best For - minifocus enthusiasts ## Why This Product - Trusted minifocus brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Lightweight Yet Robust:** Hollow design reduces weight to just 4.45 oz, minimizing drag and maximizing underwater maneuverability. - • **Universal Compatibility:** Fits all 1" ball head arm systems, seamlessly integrating with your existing underwater rig. - • **Effortless Angle Mastery:** Double 1" ball heads with silicone O-ring gaskets ensure smooth, stable 360° adjustments for perfect lighting. - • **Complete Ready-to-Dive Kit:** Includes 2 extension arms plus free replacement O-rings—stay prepared and never miss the shot. - • **Precision Engineered Durability:** Crafted from corrosion-resistant anodized CNC aluminum for unbeatable underwater longevity. ## Overview The MINIFOCUS 5" Double Ball Aluminum Extension Arm set features two corrosion-resistant anodized CNC aluminum arms with 1" ball heads, designed for underwater use. Lightweight and durable, these arms offer 360° adjustable angles with silicone O-ring gaskets for stable connections. Compatible with all 1" ball head systems, this 2-pack includes free replacement O-rings, making it an essential upgrade for professional underwater photographers and videographers. ## Description desertcart.com: MINIFOCUS 5" 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) : Electronics Review: High Quality - High quality product. Review: Well made, fair price - I liked the fact that this was well made, and the price was as good as I’ve found. No dislikes. ## Features - Specification: Length: 5" /12.7 cm; Ball size: 1"/25 mm; Weight: 4.45 oz/126 g; 2x 5" double 1" ball extension arm；2x free replacement O-rings - High Quality Material: Made by corrosion resistant anodized CNC aluminum alloy, anti-corrosion; The hollow design makes it lighter and reduces resistance when used underwater - Ball Head with Protection Ring: 1" ball head made by corrosion resistant anodized aluminum alloy with silicone O-ring friction gaskets, avoid friction during connection and make the connection more stable - Free Extension: 5" double 1 inch ball arm supports to connect strobe or video light, freely adjust the angle to get the best lights angles to take the best photo you want - Connector: Double ball adapter connect your underwater strobe or video light via the light holder; The size is universal and compatible for all arm systems that has a ball head which diameter is 25 mm/1 inch ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09PR8DZDP | | Best Sellers Rank | #2 in Underwater Lighting Parts & Accessories | | Brand | MINIFOCUS | | Built-In Media | 2 x 1 inch ball arm | | Color | 2PCS 5'' Double Ball Extension Arm | | Compatible Devices | All arm systems that has a ball head which diameter is 25mm/1 inch | | Customer Reviews | 4.8 out of 5 stars 107 Reviews | | Item Dimensions D x W x H | 11"D x 1"W x 6"H | | Item Height | 6 inches | | Item Weight | 4.45 Ounces | | Manufacturer | MINIFOCUS | | Product Dimensions | 11"D x 1"W x 6"H | | Warranty Description | 90days | ## Images ![5" 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) - Image 1](https://m.media-amazon.com/images/I/61QxXFj8EuL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: These are suitable for Underwater/Marine use?** A: 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. **Q: Will the small balls at the ends slip?** A: 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. **Q: An extension arm has two length sizes, how should I choose?** A: 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. ## Customer Reviews ### ⭐⭐⭐⭐⭐ High Quality *by D***Z on August 30, 2025* High quality product. ### ⭐⭐⭐⭐⭐ Well made, fair price *by M***R on September 21, 2024* I liked the fact that this was well made, and the price was as good as I’ve found. No dislikes. ### ⭐⭐⭐⭐⭐ Buen servicio *by A***R on October 25, 2025* Buena calidad y servicio. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/458285846-5-double-ball-aluminum-extension-arm-1-ball-head-connector](https://www.desertcart.hr/products/458285846-5-double-ball-aluminum-extension-arm-1-ball-head-connector) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-06-20*