---
product_id: 563089749
title: "US PRO Tools 4 Piece Impact Adaptor Set 1/4\" 3/8\" 1/2\" Step up/Down Reducer 3504"
brand: "us pro"
price: "108.99 DT"
currency: TND
in_stock: true
reviews_count: 5
category: "Us Pro"
url: https://www.desertcart.tn/products/563089749-us-pro-tools-4-piece-impact-adaptor-set-1-4
store_origin: TN
region: Tunisia
---

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

**Brand:** us pro
**Price:** 108.99 DT
**Availability:** ✅ In Stock

## Summary

> 🛠️ Upgrade Your Impact Game — Adapt Like a Pro!

## Quick Answers

- **What is this?** US PRO 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?** 108.99 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/563089749-us-pro-tools-4-piece-impact-adaptor-set-1-4)

## 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

- • **Compact & Lightweight Design:** At just 150 grams and 1.27 cm length, these adaptors fit perfectly in any busy professional’s toolkit without bulk.
- • **Sleek Black Phosphate Finish:** Not just tough—this finish adds a professional, low-glare look that resists wear and tear.
- • **Trusted by Thousands of Pros:** With a stellar 4.6-star rating from 700+ users, join the ranks of savvy managers who demand reliability.
- • **Seamless Drive Size Conversion:** Effortlessly switch between 1/4", 3/8", and 1/2" impact drives for ultimate toolbox flexibility.
- • **Built to Last with Premium Steel:** Crafted from robust chromium-vanadium steel to withstand abrasion, oxidation, and corrosion over time.

## Overview

The US PRO Tools 4 Piece Impact Adaptor Set (model 3504) offers seamless step-up and step-down drive size conversions between 1/4", 3/8", and 1/2" impact tools. Made from durable chromium-vanadium steel with a corrosion-resistant black phosphate finish, this compact, lightweight set is designed for professionals seeking reliable, long-lasting performance in their toolkits. Highly rated by over 700 users, it’s the perfect upgrade for any modern 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: 👍🏻👍🏻👍🏻👍🏻👍🏻👍🏻
Review: Set perfetto. Molto comodo

## 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 |
| ASIN  | B0BFX3WT2T |
| Best Sellers Rank | #73,522 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #334 in Socket Wrenches |
| Bit Compatibilities | 1/4 inch |
| Brand Name | US PRO |
| Customer Reviews | 4.6 4.6 out of 5 stars (716) |
| Customer reviews | 4.6 4.6 out of 5 stars (716) |
| Date First Available  | 1 September 2023 |
| Drive Bit Shank Style | Hex |
| Drive System | External Hex |
| Finish Types | 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 Weight | 150 Grams |
| Item model number  | 3504 |
| Manufacturer | US PRO |
| Manufacturer  | US PRO |
| Material Type | Chrome Vanadium Steel |
| Model Number | 3504 |
| Number of Pieces | 4 |
| Package Dimensions  | 10.9 x 8.2 x 2 cm; 150 g |
| 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

![US PRO 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

### ⭐⭐⭐⭐⭐ Review
*by A***R on 12 September 2025*

👍🏻👍🏻👍🏻👍🏻👍🏻👍🏻

### ⭐⭐⭐⭐⭐ Review
*by D***E on 5 March 2026*

Set perfetto. Molto comodo

### ⭐⭐⭐⭐⭐ Review
*by I***I on 9 March 2026*

Great, Thank you very much

## 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.tn/products/563089749-us-pro-tools-4-piece-impact-adaptor-set-1-4](https://www.desertcart.tn/products/563089749-us-pro-tools-4-piece-impact-adaptor-set-1-4)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-05-06*