---
product_id: 563089749
title: "Tools 4 Piece Impact Adaptor Set 1/4\" 3/8\" 1/2\" Step up/Down Reducer 3504"
brand: "us pro"
price: "314 kr"
currency: NOK
in_stock: true
reviews_count: 5
category: "Us Pro"
url: https://www.desertcart.no/products/563089749-tools-4-piece-impact-adaptor-set-1-4-3-8
store_origin: NO
region: Norway
---

# Black phosphate corrosion resistance Chromium-vanadium steel strength 4-piece versatile adaptor set Tools 4 Piece Impact Adaptor Set 1/4" 3/8" 1/2" Step up/Down Reducer 3504

**Brand:** us pro
**Price:** 314 kr
**Availability:** ✅ In Stock

## Summary

> 🛠️ Upgrade your impact game—adapt, endure, and dominate every project!

## Quick Answers

- **What is this?** Tools 4 Piece Impact Adaptor Set 1/4" 3/8" 1/2" Step up/Down Reducer 3504 by us pro
- **How much does it cost?** 314 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.no](https://www.desertcart.no/products/563089749-tools-4-piece-impact-adaptor-set-1-4-3-8)

## Best For

- us pro enthusiasts

## Why This Product

- Trusted us pro brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Endure:** Crafted from premium chromium-vanadium steel to resist abrasion, oxidation, and corrosion—tools that last.
- • **Trusted by Pros:** With a 4.6-star rating from 896 reviews, this set is a proven upgrade for serious tool enthusiasts.
- • **Compact Powerhouse:** Each adaptor measures just 1.27 cm, making this set a perfect, space-saving addition to any workshop.
- • **Sleek & Stealthy Finish:** Black phosphate coating not only protects but adds a professional, low-glare look to your toolkit.
- • **Seamless Drive Size Conversion:** Effortlessly switch between 1/4", 3/8", and 1/2" impact drives for ultimate flexibility.

## Overview

The US PRO Tools 4 Piece Impact Adaptor Set offers professional-grade versatility with four precision-engineered adaptors that convert between 1/4", 3/8", and 1/2" drive sizes. Made from durable chromium-vanadium steel and finished with corrosion-resistant black phosphate, this compact set is designed to withstand heavy use while maintaining a sleek, professional appearance. Highly rated by users, it’s an essential upgrade for any serious toolbox or workshop.

## Description

Set of 4 adaptors for converting impact drive sizes.1/2'' F x 3/8'' M3/8'' F x 1/2'' M3/8'' F x 1/4'' M1/4'' F x 3/8'' MMade from chromium-vanadium steel for strength and durability and helps resist abrasion, oxidation, and corrosionBlack phosphate finishThis high quality Adaptor Set comes to you brand new with retail packaging/tagThis is a perfect addition / replacement to any toolbox or workshop

Review: Solid - Good solid adapters.
Review: 👍🏻👍🏻👍🏻👍🏻👍🏻👍🏻 - 👍🏻👍🏻👍🏻👍🏻👍🏻👍🏻

## Features

- 1/2" F x 3/8" M
- 3/8" F x 1/2" M
- 3/8" F x 1/4" M
- 1/4" F x 3/8" M

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BFX3WT2T |
| Best Sellers Rank | #67,225 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #268 in Socket Wrenches |
| Bit Compatibilities | 1/4 inch |
| Bit Set Composition | Bit Set |
| Brand | US PRO |
| Brand Name | US PRO |
| Customer Reviews | 4.6 out of 5 stars 896 Reviews |
| Drive Bit Shank Style | Hex |
| Drive End Style | Hex |
| Drive System | External Hex |
| Drive system | External Hex |
| Finish Types | Black Phosphate Finish |
| Finish type | Black Phosphate Finish |
| Item Length | 1.27 Centimeters |
| Item Type Name | US PRO Tools 4 Piece Impact Adaptor Set 1/4" 3/8" 1/2" Step up/Down Reducer |
| Item length | 1.27 Centimeters |
| Manufacturer | US PRO |
| Manufacturer Part Number | 3504 |
| Material | Chrome Vanadium Steel |
| Material Type | Chrome Vanadium Steel |
| Model Number | 3504 |
| Number of Items | 4 |
| Number of Packs | 1 |
| Number of Pieces | 4 |
| Number of pieces | 4 |
| Set Name | US PRO Tools 4 Piece Impact Adaptor Set |
| Unit Count | 1 Count |

## Product Details

- **Brand:** US PRO
- **Finish type:** Black Phosphate Finish
- **Item length:** 1.27 Centimeters
- **Material:** Chrome Vanadium Steel
- **Number of pieces:** 4

## Images

![Tools 4 Piece Impact Adaptor Set 1/4" 3/8" 1/2" Step up/Down Reducer 3504 - Image 1](https://m.media-amazon.com/images/I/41d61oqe29L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Solid
*by K***1 on 26 October 2025*

Good solid adapters.

### ⭐⭐⭐⭐⭐ 👍🏻👍🏻👍🏻👍🏻👍🏻👍🏻
*by A***R on 12 September 2025*

👍🏻👍🏻👍🏻👍🏻👍🏻👍🏻

### ⭐⭐⭐⭐⭐ Bon produit
*by A***I on 27 June 2026*

Bon produit

## Frequently Bought Together

- US PRO Tools 4 Piece Impact Adaptor Set 1/4" 3/8" 1/2" Step up/Down Reducer 3504
- Sealey Ak730 Breaker Bar 600Mm 1/2Sq Drive

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**Shop now:** [https://www.desertcart.no/products/563089749-tools-4-piece-impact-adaptor-set-1-4-3-8](https://www.desertcart.no/products/563089749-tools-4-piece-impact-adaptor-set-1-4-3-8)

---

*Product available on Desertcart Norway*
*Store origin: NO*
*Last updated: 2026-09-29*