The Performance Tool W38151 3/8" Dr 10" Wobble Extension is a must-have for any mechanic or DIYer looking for superior strength and durability. Made from Chrome Vanadium Alloy Steel, this extension is built to last. Its unique wobble feature allows for up to 15 degrees of angle, making it easy to get into those hard-to-reach areas. The polished nickel chrome plated finish not only gives it a sleek look, but also helps resist corrosion and rust, ensuring long-term use. With a 3/8" drive size and precise 10" length, this extension provides accurate control over your tools and fasteners. Compatible with most 3/8" drive sockets and tools, it's a versatile addition to any toolkit.