--- product_id: 476304114 title: "US PRO Tools 4 Piece Impact Adaptor Set 1/4\" 3/8\" 1/2\" Step up/Down Reducer 3504" brand: "us pro" price: "€ 13.59" currency: EUR in_stock: true reviews_count: 13 category: "Us Pro" url: https://www.desertcart.be/products/476304114-us-pro-tools-4-piece-impact-adaptor-set-1-4 store_origin: BE region: Belgium --- # Durable black phosphate finish Chromium-vanadium steel strength 4-piece versatile adaptor set US PRO Tools 4 Piece Impact Adaptor Set 1/4" 3/8" 1/2" Step up/Down Reducer 3504 **Brand:** us pro **Price:** € 13.59 **Availability:** ✅ In Stock ## Summary > 🛠️ Upgrade your toolkit game with precision and durability! ## 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?** € 13.59 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/476304114-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 - • **Built to Endure:** Crafted from premium chromium-vanadium steel to resist abrasion, oxidation, and corrosion—tools that last as long as your projects. - • **Trusted by Pros:** Ranked #47 in Industrial Power Tool Accessories with a stellar 4.6-star rating from 853 users—join the community of satisfied professionals. - • **Compact Powerhouse:** At just 1.27 cm length per adaptor, this set fits perfectly in any toolbox without bulk. - • **Sleek & Protective Finish:** Black phosphate coating not only looks sharp but also adds an extra layer of durability against wear and tear. - • **Seamless Drive Size Conversion:** Effortlessly switch between 1/4", 3/8", and 1/2" drives for ultimate tool compatibility. ## Overview The US PRO Tools 4 Piece Impact Adaptor Set offers seamless conversion between 1/4", 3/8", and 1/2" drive sizes, crafted from robust chromium-vanadium steel with a protective black phosphate finish. Compact and durable, this set is highly rated by professionals and designed to enhance any workshop or toolbox with reliable, long-lasting performance. ## 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: Good quality - Good value Review: Works as advertised. - Provides full range of conversion for my use. The quality is good. ## 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 | 290 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 47 in Industrial Power Tool Accessories | | Bit Compatibilities | 1/4 inch | | Bit Set Composition | Bit Set | | Brand | US PRO | | Country of Origin | China | | Customer Reviews | 4.6 out of 5 stars 853 Reviews | | Drive Bit Shank Style | Hex | | Drive End Style | Hex | | Drive System | External Hex | | Drive system | External Hex | | Finish | Black Phosphate Finish | | Finish type | Black Phosphate Finish | | Item Length | 1.27 Centimetres | | 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 Centimetres | | Manufacturer | US PRO | | Material | Chrome Vanadium Steel | | Model Number | 3504 | | Number of Pieces | 4 | | Number of pieces | 4 | | Part Number | 3504 | | Set Name | US PRO Tools 4 Piece Impact Adaptor Set | | Unit Count | 1.0 count | ## Product Details - **Brand:** US PRO - **Finish type:** Black Phosphate Finish - **Item length:** 1.27 Centimetres - **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) ![US PRO Tools 4 Piece Impact Adaptor Set 1/4" 3/8" 1/2" Step up/Down Reducer 3504 - Image 2](https://m.media-amazon.com/images/I/41SWkjegf8L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good quality *by P***S on 14 June 2026* Good value ### ⭐⭐⭐⭐⭐ Works as advertised. *by S***E on 21 May 2026* Provides full range of conversion for my use. The quality is good. ### ⭐⭐⭐⭐⭐ Good set *by J***N on 17 June 2026* Good set fits most sockets in 1 way or another ## 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 --- ## 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.be/products/476304114-us-pro-tools-4-piece-impact-adaptor-set-1-4](https://www.desertcart.be/products/476304114-us-pro-tools-4-piece-impact-adaptor-set-1-4) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-07-07*