The Proto 12-piece Metric Ratcheting Combination Wrench Set is a high-quality hand tool set made in the USA. This set includes a range of sizes from 8mm to 19mm, all with a 12-point drive type for easy and precise tightening and loosening of nuts and bolts. The ratcheting feature allows for smooth and efficient operation, making it a versatile and essential tool for automotive and mechanical work. The combination wrench design provides the versatility of both open-end and ratchet capabilities in one tool.