This Matco Tools 31-piece mechanic tool set is perfect for any mechanic looking for a reliable and versatile set of tools. The set includes 20 sockets in a range of sizes, including 4mm, 5mm, 13mm, 6mm, 12mm, 7mm, 11mm, 8mm, 10mm, 4.5mm, 9mm, and 5.5mm, as well as torx bits, philips bits, ratchets, an adapter, and hex bits. The low profile design makes it easy to use in tight spaces, and the chrome surface finish ensures long-lasting durability. This set is ideal for both SAE and metric measurements, and is suitable for a variety of tasks.