Durable Cr-V Steel : Made of heat-treated chrome vanadium steel for high strength and lasting durability. The polished chrome finish resists rust and corrosion, ensuring your spanner set stays clean and ready for any repair job 180° Flex-Head Design : Each ratcheting wrench features a 180° pivoting head for better access in tight or awkward spaces. Perfect for confined areas where a standard spanner can’t reach, making it ideal for professional mechanics and DIY users Precise 72-Tooth Ratchet : The 72-tooth gear allows a 5° swing arc, enabling smooth, precise turning with minimal movement. Provides efficiency and convenience when working on bolts in restricted spaces Complete Metric Set : Includes 9 most commonly used metric sizes: 8, 10, 11, 12, 13, 14, 15, 16, and 17 mm. Each wrench is clearly marked on both sides for quick size identification, exceeding ANSI standards for performance, Weight: 2.35 pounds, Manufacturer: LONGYOU YIYANG IMPORT AND EXPORT CO.,LTD