--- product_id: 514836624 title: "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" brand: "smallrig" price: "£60.65" currency: GBP in_stock: true category: "Small Rig" url: https://www.desertcart.co.uk/products/514836624-smallrig-articulating-magic-arm-with-3-8-16-locating-screw store_origin: GB region: United Kingdom --- # 360° rotation for ultimate angle flexibility Dual ball heads with ARRI & 1/4"-20 screws Supports up to 12 lb (5.5 kg) payload 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 **Brand:** smallrig **Price:** £60.65 **Availability:** ✅ In Stock ## Summary > 🎥 Elevate your rig with precision and power—never miss the perfect shot! ## Quick Answers - **What is this?** 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 by smallrig - **How much does it cost?** £60.65 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/514836624-smallrig-articulating-magic-arm-with-3-8-16-locating-screw) ## 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-Free Security:** Retractable pins lock your gear in place—no slips, no twists. - • **Versatile Compatibility:** Fits ARRI 3/8"-16 and 1/4"-20 screws—perfect for cameras, monitors, and lights. - • **Magnetic Wrench Included:** Tighten thumbwheels effortlessly with the built-in magnetic tool. - • **Precision 360° Adjustment:** Smooth, full rotation with adjustable thumb lever for perfect framing. - • **Ultra-Lightweight Durability:** Only 90g CNC aluminum alloy build—carry pro-level stability anywhere. ## Overview The SmallRig Articulating Magic Arm 3874 is a compact, lightweight mounting solution featuring dual ball heads with ARRI 3/8"-16 and 1/4"-20 screws, retractable anti-twist pins, and 360° rotation. Crafted from durable CNC aluminum alloy, it supports up to 12 lb (5.5 kg) payload, making it ideal for securely mounting monitors, cameras, and lights with professional-grade flexibility and stability. ## Description "Key Features 1. Stretchable pins on both accessory mounts that prevent twisting and ensure safety 2. Load capacity: 6kg 3. A magnetic wrench at the bottom of the thumb lever for tightening of thumbwheels 4. Weighing only 90g, compact and easy to carry around and store SmallRig Magic Arm with Dual Ball Heads (1/4""-20 Screws and 3/8""-16 Locating Screw for ARRI) 3874 is compact and lightweight. Each ball head, 20mm in diameter, features stretchable pins that prevent twisting. 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. This item weighs only 90g, making it easy to carry around and store. Compatibility: Universal In the Box 1 x Magic Arm with Dual Ball Heads 2 x Silicone Ring Specifications Product Dimensions: 121.5 x 22 x 42mm Package Dimensions: 156 x 83 x 43mm Product Weight: 90g±5g Package Weight: 140g±5g Material(s): Aluminum Alloy, Stainless Steel" ## Features - Extensive Compatibility : Dual ball heads with magic arm features for ARRI 3/8"-16 Locating Screw and 1/4"-20 Screws (With Retractable Pins) on the end for DSLR cameras, action cameras, LED lights, flashes, and so on. - Anti-twist Retractable Pins : Magic arm with the retractable Pins on each end to prevent twisting. The locating pins are retractable spring designs. You can mount it on the accessories with 1/4" locating holes and 3/8"-16 locating holes for ARRI or with 1/4" threaded holes and 3/8"-16 locating holes for ARRI. - 360° Flexible Adjustment : The camera magic arm with an adjustable thumb lever could be adjusted in different positions and angles via both the ballhead and ballhead clamp. It comes with a small magnetic wrench at the bottom to tighten the thumbwheels on each end. - 12Ib Payload : The load capacity of the magic arm is 12Ib (5.5kg). Firmly fix your field monitor, LED lights, audio recorders, etc. Each ballhead is 0.79 inch (20mm) in diameter. This item weighs only 0.2 Ib (90g) , making it easy to carry around and store. - Durable and Stable : The magic arm holder is made of CNC-processed aluminum alloy and stainless steel, which is durable. The ball head with rubber rings is more stable. The rubber pads on each end protect your device from scratching. - Notice: Please note that the diameter of the ball head is 20mm and will NOT fit other brands clamps. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BBPQY42X | | Audio Recording | No | | Best Sellers Rank | #459,180 in Electronics ( See Top 100 in Electronics ) #981 in Tripod Camera Mounts & Clamps | | Brand Name | SmallRig | | Colour | Black | | Compatible Devices | Camera, Monitor | | Customer Reviews | 4.7 4.7 out of 5 stars (171) | | Folded Size | 4.78 x 0.87 x 1.65 inches | | Item Dimensions D x W x H | 122D x 22W x 43H Millimeters | | Item Weight | 90 Grams | | Manufacturer | china | | Maximum Weight Recommendation | 5.5 Kilograms | | Model Name | 3874 | | Number of Items | 1 | | Water Resistance Level | Not Water Resistant | ## Product Details - **Brand:** SmallRig - **Colour:** Black - **Compatible Devices:** Camera, Monitor - **Item Weight:** 90 Grams - **Product Dimensions:** 122D x 22W x 43H Millimeters ## Images ![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 - Image 1](https://m.media-amazon.com/images/I/41sAnN9o4KL.jpg) ![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 - Image 2](https://m.media-amazon.com/images/I/513JE+4hgxL.jpg) ![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 - Image 3](https://m.media-amazon.com/images/I/41uvYwuq4LL.jpg) ![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 - Image 4](https://m.media-amazon.com/images/I/41ZQICoihEL.jpg) ![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 - Image 5](https://m.media-amazon.com/images/I/41WaVI7UxDL.jpg) ## Questions & Answers **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 --- ## 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.uk/products/514836624-smallrig-articulating-magic-arm-with-3-8-16-locating-screw](https://www.desertcart.co.uk/products/514836624-smallrig-articulating-magic-arm-with-3-8-16-locating-screw) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-08-23*