The Snap On Ratchet Spanner Set is a high-quality tool set designed for professionals and DIY enthusiasts alike. Made by the reputable brand Snap-on, this set includes 10 pieces ranging in size from 19mm to 10mm, with a combination of ratchet, wrench, and 12-point drive type for added convenience and versatility. The set is in metric system of measurement, making it suitable for a wide range of applications. With the manufacturer part number SOXRRM710A, this combination ratchet and wrench set is a reliable and essential addition to any toolbox.