The Snap On Compatible Extensions are high-quality automotive tools designed for standard SAE measurement systems. Made in the United States, these chrome-finished extensions are compatible with Snap-on sockets and feature a specialty drive type for added versatility. With a variety of sizes included, such as 3/8", 1/4", and 2", these units are perfect for mechanics and automotive professionals seeking reliable and durable extension pieces that extend the reach of their sockets for easier and more efficient maintenance and repair tasks.