---
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: "฿5399"
currency: THB
in_stock: false
reviews_count: 13
category: "Smallrig"
url: https://www.desertcart.co.th/products/558874052-smallrig-dual-ball-heads-magic-arm-with-1-4-20
store_origin: TH
region: Thailand
---

# 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:** ฿5399
**Availability:** ❌ Out of 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?** ฿5399 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/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

Shop 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. Free delivery and returns on eligible orders.

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

## Features

- With NATO clamp: the SMALLRIG Magic Arm 3875 has a 1/4"-20 screws and a NATO clamp at the end. Each ball head is 20mm in diameter. The maximum load capacity is 6 kg
- ANTI-TWIST DESIGN: Ballhead Magic Arm 3875 features stretchable pins at each end to prevent twisting
- ADJUSTABLE AND STURDY: The adjustable thumb lever helps secure the ball head at a suitable angle and comes with a small magnetic key at the bottom to tighten the thumb wheels
- Flexible adjustment: There are notches at both ends of the ball head clamp that allow more space for flexible adjustment of ball heads and accessories mounted on it
- Lightweight but durable: this item weighs only 91g, making it easy to carry and store. Aluminium slloy and stainless steel materials make it stronger
- Please note that the diameter of the ball head is 20mm and will NOT fit other brands clamps.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BBPXC56L |
| Audio Recording | No |
| Best Sellers Rank | 148 in Camcorder Stabilisers & Supports |
| Box Contents | 1 x Magic Arm with Dual Ball Heads 2 x Silicone Ring |
| Brand Name | SMALLRIG |
| Colour | Black |
| Compatible Devices | Camera |
| Country of Origin | China |
| Customer Reviews | 4.7 4.7 out of 5 stars (173) |
| Folded size | 4.5 inches (l) x 0.9 inches (w) x 1.7 inches (h) |
| Item Dimensions D x W x H | 114D x 23W x 43H millimetres |
| Item Weight | 91 Grams |
| Manufacturer | SMALLRIG |
| Maximum Weight Recommendation | 5.5 Kilograms |
| Media Type | ProductImage |
| Model Name | Magic Arm |
| Product Warranty | Manufacturer warranty for 6 months from date of purchase. |
| Water Resistance Level | Not Water Resistant |

## 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

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**Shop now:** [https://www.desertcart.co.th/products/558874052-smallrig-dual-ball-heads-magic-arm-with-1-4-20](https://www.desertcart.co.th/products/558874052-smallrig-dual-ball-heads-magic-arm-with-1-4-20)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-04-26*