--- product_id: 558874052 title: "SMALLRIG Dual Ball Heads Magic Arm with 1/4\"-20 Screw and NATO Clamp, Max. Load 6kg, Only 91g, Made of Aluminum Alloy and Stainless Steel - 3875" brand: "smallrig" price: "R1466" currency: ZAR in_stock: true reviews_count: 13 category: "Smallrig" url: https://www.desertcart.co.za/products/558874052-smallrig-dual-ball-heads-magic-arm-with-1-4-20 store_origin: ZA region: South Africa --- # Precision NATO clamp & 1/4"-20 screw Ultra-light 91g weight 6kg max load capacity SMALLRIG Dual Ball Heads Magic Arm with 1/4"-20 Screw and NATO Clamp, Max. Load 6kg, Only 91g, Made of Aluminum Alloy and Stainless Steel - 3875 **Brand:** smallrig **Price:** R1466 **Availability:** ✅ In Stock ## Summary > 🎥 Elevate your rig game with precision and featherlight strength! ## Quick Answers - **What is this?** SMALLRIG Dual Ball Heads Magic Arm with 1/4"-20 Screw and NATO Clamp, Max. Load 6kg, Only 91g, Made of Aluminum Alloy and Stainless Steel - 3875 by smallrig - **How much does it cost?** R1466 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/558874052-smallrig-dual-ball-heads-magic-arm-with-1-4-20) ## Best For - smallrig enthusiasts ## Why This Product - Trusted smallrig brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Twist-Proof Design:** Anti-twist stretchable pins keep your setup locked and steady - • **Rock-Solid Stability:** Supports up to 6kg for heavy-duty gear without compromise - • **Tailored Flexibility:** Dual 20mm ball heads with notched clamps for ultimate positioning freedom - • **Featherweight Champion:** Only 91g—carry pro-level flexibility without the bulk - • **Magnetic Quick-Tighten:** Built-in magnetic key for effortless, precise adjustments on the fly ## Overview The SMALLRIG Dual Ball Heads Magic Arm 3875 is a premium aluminum alloy and stainless steel mounting solution featuring dual 20mm ball heads, a NATO clamp, and 1/4"-20 screws. Weighing just 91g yet supporting up to 6kg, it offers anti-twist pins and a magnetic key for secure, flexible adjustments—perfect for professional camera setups demanding durability and precision. ## Description Product Description SmallRig Magic Arm with Dual Ball Heads (1/4”-20 Screw and NATO Clamp) - 3875 is compact and lightweight. Both ball heads are 20mm in diameter, in which, one features an 1/4 "-20 screw and stretchable pins that prevent twisting, and another has a NATO clamp that supports cage, top plate, etc. with a NATO rail. The adjustable thumb lever helps secure ball head at an appropriate angle and comes with a small magnetic wrench at the bottom to tighten the thumbwheels. At both ends of the ball head clamp there are notches which leave more space for flexible adjustment of ball heads as well as accessories mounted thereon. Key Features： The 1/4”-20threaded hole has stretchable pinsthat prevent twisting and the NATO clamp ensures accessory safety; Load capacity: 5.5kg; A magnetic wrench at the bottom of the thumb lever for tightening of thumbwheels; Weighing only 91g, compact and easy to carry around and store; Compatibility Universal In the Box 1 x Magic Arm with Dual Ball Heads 2 x Silicone Ring Review: as described i can recommend - used many times now it works as intended and the quality is sick Review: an essential purchase for your rig. - very strong, used for my atomos ninja v on my fx3 and gimbal, the most useful product I have bought in the last few years! always in use ## Technical Specifications | Specification | Value | |---------------|-------| | Brand | SMALLRIG | | Colour | Black | | Compatible devices | Camera | | Folded size | 4.5 inches (l) x 0.9 inches (w) x 1.7 inches (h) | | Item weight | 91 Grams | | Product dimensions | 114D x 23W x 43H millimetres | ## Product Details - **Brand:** SMALLRIG - **Colour:** Black - **Compatible devices:** Camera - **Folded size:** 4.5 inches (l) x 0.9 inches (w) x 1.7 inches (h) - **Item weight:** 91 Grams - **Product dimensions:** 114D x 23W x 43H millimetres ## Images ![SMALLRIG Dual Ball Heads Magic Arm with 1/4"-20 Screw and NATO Clamp, Max. Load 6kg, Only 91g, Made of Aluminum Alloy and Stainless Steel - 3875 - Image 1](https://m.media-amazon.com/images/I/61iR1lOReJL.jpg) ![SMALLRIG Dual Ball Heads Magic Arm with 1/4"-20 Screw and NATO Clamp, Max. Load 6kg, Only 91g, Made of Aluminum Alloy and Stainless Steel - 3875 - Image 2](https://m.media-amazon.com/images/I/71ToZZJfYDL.jpg) ![SMALLRIG Dual Ball Heads Magic Arm with 1/4"-20 Screw and NATO Clamp, Max. Load 6kg, Only 91g, Made of Aluminum Alloy and Stainless Steel - 3875 - Image 3](https://m.media-amazon.com/images/I/71lFG6bkOGL.jpg) ![SMALLRIG Dual Ball Heads Magic Arm with 1/4"-20 Screw and NATO Clamp, Max. Load 6kg, Only 91g, Made of Aluminum Alloy and Stainless Steel - 3875 - Image 4](https://m.media-amazon.com/images/I/618kU22spoL.jpg) ![SMALLRIG Dual Ball Heads Magic Arm with 1/4"-20 Screw and NATO Clamp, Max. Load 6kg, Only 91g, Made of Aluminum Alloy and Stainless Steel - 3875 - Image 5](https://m.media-amazon.com/images/I/71YOF1UEfeL.jpg) ## Questions & Answers **Q: For 1/4-20 screw, is that arri locating pins?** A: Hi Customer, Greeting. We have designed retractable pins that can be used for either 1/4 thread holes or ARR locating holes. Regards, SmallRig **Q: Can you unscrew it all the way to mix/match the ball heads?** A: Hello Customer, Greeting. The ball heads couldn't be unscrewed. Regards, SmallRig ## Customer Reviews ### ⭐⭐⭐⭐⭐ as described i can recommend *by U***1 on 5 October 2025* used many times now it works as intended and the quality is sick ### ⭐⭐⭐⭐⭐ an essential purchase for your rig. *by A***E on 6 July 2025* very strong, used for my atomos ninja v on my fx3 and gimbal, the most useful product I have bought in the last few years! always in use ### ⭐⭐⭐⭐⭐ SMALLRIG Dual Ball Heads Magic Arm with 1/4"-20 Screw and NATO Clamp *by D***S on 21 January 2024* I've always bought SMALLRIG, this Dual Ball Heads Magic Arm with 1/4"-20 Screw and NATO Clamp is fantastic, it opens up so many filming angles, the quality of smallrig has always be great and have never let me down, once locked into place it never moves. Many thanks. ## Frequently Bought Together - SmallRig Articulating Magic Arm with NATO Clamp and 1/4"-20 Screw (with Retractable Pins), 360 Degree Rotation, Max Load of 12 Ib Magic Arm for Field Monitor, Camera and Lights 3875 - SMALLRIG 4″ Suction Cup Camera Mount, Car Mount for Cameras/Smartphones on Car/Clean and Smooth Surfaces, Max 2kg Load for Speeds up to 80km/h (50mph), Recommend 10kg Load When Stationary - 4122B - SmallRig Articulating Magic Arm with 3/8"-16 Locating Screw for ARRI and 1/4"-20 Screw (with Retractable Pins), 360 Degree Rotation, Max Load of 12 Ib Magic Arm for Monitor, Camera, and Lights 3874 --- ## 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.co.za/products/558874052-smallrig-dual-ball-heads-magic-arm-with-1-4-20](https://www.desertcart.co.za/products/558874052-smallrig-dual-ball-heads-magic-arm-with-1-4-20) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-06-20*