---
product_id: 476114948
title: "SMALLRIG Dual Ball Heads Magic Arm with a 1/4\"-20 Screw and a 3/8\"-16 Locatin..."
brand: "smallrig"
price: "฿5139"
currency: THB
in_stock: false
url: https://www.desertcart.co.th/products/476114948-smallrig-dual-ball-heads-magic-arm-with-a-1-4
store_origin: TH
region: Thailand
---

# Ultra-light 90g aluminum alloy 6kg max load capacity Anti-twist stretchable pins SMALLRIG Dual Ball Heads Magic Arm with a 1/4"-20 Screw and a 3/8"-16 Locatin...

**Brand:** smallrig
**Price:** ฿5139
**Availability:** ❌ Out of Stock

## Summary

> 🎥 Elevate your rig with SMALLRIG’s magic touch—stability meets sleek portability!

## Quick Answers

- **What is this?** SMALLRIG Dual Ball Heads Magic Arm with a 1/4"-20 Screw and a 3/8"-16 Locatin... by smallrig
- **How much does it cost?** ฿5139 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/476114948-smallrig-dual-ball-heads-magic-arm-with-a-1-4)

## 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

- • **Precision Angle Lock:** Adjustable thumb lever with magnetic wrench for effortless tightening
- • **Rock-Solid Stability:** Supports up to 6kg for heavy-duty gear without wobble
- • **Twist-Free Confidence:** Innovative anti-twist pins keep your setup locked in place
- • **Featherweight Durability:** Only 90g yet crafted from premium aluminum alloy and stainless steel
- • **Flexible Mounting Freedom:** Dual ball heads with notches allow versatile accessory positioning

## Overview

The SMALLRIG Dual Ball Heads Magic Arm 3874 is a lightweight (90g), durable aluminum alloy camera accessory designed for professional setups. Featuring a 20mm diameter ball head with 1/4"-20 and 3/8"-16 ARRI locating screws, it supports up to 6kg load. Its anti-twist design and adjustable thumb lever with magnetic wrench ensure secure, flexible positioning for monitors and accessories, making it an essential tool for millennial pros demanding precision and portability.

## Description

SMALLRIGArticulating Magic Arm with 3/8"-16 Locating Pins for ARRI and 1/4"-20 Screw (with Retractable Pins), 360 Degree Rotation Max Load 5.5kg Magic Arm for Monitor Mic Lighting - 3874

## Features

- With Locating Screw for ARRI - SMALLRIG Magic Arm 3874 features one 1/4"-20 Screws and one 3/8"-16 Locating Screw for ARRI on the end. Each ballhead is 20mm in diameter. Max. load capacity is 6kg
- Anti-twist Design - Ballhead Magic Arm 3874 features stretchable pins on each end that prevent twisting
- Adjustable and Stable - The adjustable thumb lever helps secure ballhead at an appropriate angle and comes with a small magnetic wrench at the bottom to tighten the thumbwheels
- Flexible Adjustment - 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
- Lightweight but Durable - This item weighs only 90g, making it easy to carry around and store. Aluminum slloy and stainless steel materials makes strongger
- Please note that the diameter of the ball head is 20mm and will NOT fit other brands clamps.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Package Dimensions L x W x H | 15.5 x 8.4 x 4.4 centimetres |
| Package Weight | 0.14 Kilograms |
| Product Dimensions L x W x H | 12.1 x 2.2 x 4.2 centimetres |
| Item Weight | 90 Grams |
| Brand | SMALLRIG |
| Colour | black |
| Part number | 3874-CF |
| Guaranteed software updates until | unknown |

## Product Details

- **Colour:** black
- **Brand:** SMALLRIG
- **Compatible devices:** Camera
- **Product dimensions:** 42D x 22W x 42H millimetres
- **Item weight:** 90 Grams
- **Folded size:** 121.5mm x 22mm x 42mm

## Images

![SMALLRIG Dual Ball Heads Magic Arm with a 1/4"-20 Screw and a 3/8"-16 Locatin... - Image 1](https://m.media-amazon.com/images/I/6127gka6zXL.jpg)

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**Shop now:** [https://www.desertcart.co.th/products/476114948-smallrig-dual-ball-heads-magic-arm-with-a-1-4](https://www.desertcart.co.th/products/476114948-smallrig-dual-ball-heads-magic-arm-with-a-1-4)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-04-25*