The Craftsman USA 34447 6pc Hex Bit Set features a variety of sizes including 5/32, 3/16, 7/32, 1/4, and 5/16 inches, making it versatile for various automotive and industrial applications. Made in the USA with a lifetime warranty, this set includes standard sockets with a chrome surface finish. The 3/8'' drive size and hex/allen drive type ensure compatibility with a wide range of tools. Ideal for professionals and DIY enthusiasts looking for high-quality, durable hand tools.