--- product_id: 220632821 title: "9 Pieces Extension Bar Set, 1/4\", 3/8\" and 1/2\" Drive Socket Extension, Premium Chrome Vanadium Steel with Black Phosphate Finish" brand: "casoman" price: "€ 78.63" currency: EUR in_stock: true category: "Casoman" url: https://www.desertcart.sk/products/220632821-9-pieces-extension-bar-set-1-4-3-8-1 store_origin: SK region: Slovakia --- # spring-loaded detent ball for secure fit corrosion-resistant black phosphate finish 9 precision extension bars 9 Pieces Extension Bar Set, 1/4", 3/8" and 1/2" Drive Socket Extension, Premium Chrome Vanadium Steel with Black Phosphate Finish **Brand:** casoman **Price:** € 78.63 **Availability:** ✅ In Stock ## Summary > 🛠️ Elevate your toolkit game — never settle for less than precision and power! ## Quick Answers - **What is this?** 9 Pieces Extension Bar Set, 1/4", 3/8" and 1/2" Drive Socket Extension, Premium Chrome Vanadium Steel with Black Phosphate Finish by casoman - **How much does it cost?** € 78.63 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/220632821-9-pieces-extension-bar-set-1-4-3-8-1) ## Best For - casoman enthusiasts ## Why This Product - Trusted casoman brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Secure Socket Fit:** Spring-loaded detent balls lock extensions firmly in place under high torque - • **Portable & Organized:** Durable blow-molded case for effortless transport and quick access - • **Versatile 9-Piece Set:** Covers 1/4", 3/8", and 1/2" drives for every job - • **Corrosion-Resistant Finish:** Black phosphate coating keeps tools looking sharp and rust-free - • **Premium Chrome-Vanadium Steel:** Built tough with 50BV30 alloy for long-lasting durability ## Overview The CASOMAN 9 Pieces Extension Bar Set features premium 50BV30 Chrome-Vanadium steel with a corrosion-resistant black phosphate finish, ensuring durability and rust protection. It includes nine extension bars across 1/4", 3/8", and 1/2" drives, each equipped with spring-loaded detent balls for secure socket engagement. Packaged in a rugged blow-molded case, this set meets ANSI standards and comes with a 1-year warranty, making it a reliable choice for professionals and DIY enthusiasts alike. ## Description CASOMAN 9 Pieces Extension Bar Set, 1/4", 3/8" and 1/2" Drive Socket Extension, Premium Chrome Vanadium Steel with Black Phosphate Finish - desertcart.com ## Features - Made from premium Chrome-Vanadium steel alloy (50BV30) with a corrosion-resistant black phosphate finish, providing the durability for a hard use. - Set include 9 piece extension bar, 1/4" Dr.: 2-inch, 4-inch, 6-inch, 3/8" Dr.: 3-inch, 6-inch, 10-inch, 1/2" Dr.: 3-inch, 5-inch, 10-inch. - Spring loaded detent ball on adapter ends provide secure fit into sockets, delivering support when used with high torque impact drivers. - It comes with a durable blow-molded carrying case for easy transportation, safe storage, and quick organization. - Meets or exceeds ANSI performance standards. It comes with 1 year quality warranty. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B089GFQTQP | | Best Sellers Rank | #109,971 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #657 in Socket Sets | | Brand Name | CASOMAN | | Customer Reviews | 4.8 4.8 out of 5 stars (2,792) | | Finish Types | corrosion-resistant black phosphate finish | | Head Style | Fixed Square, Hex | | Item Weight | 1580 Grams | | Manufacturer | CASOMAN | | Manufacturer Part Number | CS074 | | Material Type | Chrome Vanadium Steel | | Model Number | CS074 | | Operation Mode | Mechanical | | Package Quantity | 1 | | Set Name | CASOMAN 9 Pieces Extension Bar Set | | Unit Count | 1.0 Count | ## Product Details - **Brand:** CASOMAN - **Head Style:** Fixed Square, Hex - **Item Package Quantity:** 1 - **Item Weight:** 1580 Grams - **Material:** Chrome Vanadium Steel ## Images ![9 Pieces Extension Bar Set, 1/4", 3/8" and 1/2" Drive Socket Extension, Premium Chrome Vanadium Steel with Black Phosphate Finish - Image 1](https://m.media-amazon.com/images/I/61enzMPTVIS.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: Can these fit power wrench** A: Yes I use them with my power tools **Q: Are these impact rated** A: The material of this extension bars is CRV steel, not CR-MO. **Q: How do I warranty them? One of the detent balls on my 1/4 inch extension fell out** A: Send it back to Amazon.. **Q: made in??** A: Made in China. ## Frequently Bought Together - CASOMAN 9 Pieces Extension Bar Set, 1/4", 3/8" and 1/2" Drive Socket Extension, Premium Chrome Vanadium Steel with Black Phosphate Finish - NEIKO 30249A 5 Piece Impact Socket Adapter Set, Standard SAE, 1/4, 3/8, 1/2" Cr-V Steel Impact Driver & Wrench Conversion Kit Socket Reducer, Locking Socket Adapter Set - EPAuto Impact Universal Joint Set, Cr-V,3 Pieces --- ## 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.sk/products/220632821-9-pieces-extension-bar-set-1-4-3-8-1](https://www.desertcart.sk/products/220632821-9-pieces-extension-bar-set-1-4-3-8-1) --- *Product available on Desertcart Slovakia* *Store origin: SK* *Last updated: 2026-07-23*