This Mac Tools Metric Combination Wrench Set is a high-quality set of USA-made wrenches designed for automotive use. The set includes a range of sizes from 10mm to 20mm, all with a 12-point drive type for a secure grip on nuts and bolts. With the added bonus of 3 extra pieces, this set is versatile and durable for any mechanic or DIY enthusiast. The Mac Tools brand ensures reliability and top-notch craftsmanship, making this set a valuable addition to any tool collection.