12 Piece Metric Flex Head Ratcheting Wrench Set comes in handy for auto enthusiasts. Each wrench is made of Chrome Vanadium Steel (CRV) with mirror polish finish and is nickel chrome plated for durability. These ratcheting wrenches has 72 tooth design and a generous 5º swing arc for working in tight spaces and provides easy access with the 180 degree flex head design for confident work. They come inside a conveniently portable carrying case with an attached handle and tool pouch to keep your wrenches safe and organized. Sizes are etched on, making reading and identification easier, and all pieces meet professional standard of safety and quality. Metric Flex Head Ratcheting Wrench Set Durable Chrome Vanadium Steel Construction Raised Panel Design for Enhanced Grip Heat-Treated for Strength and Longevity Precision-Machined for Accurate Fit Nickel Chrome Plated for Corrosion Resistance Meets ANSI/ASME Quality Standards Included Sizes: 8,9,10,11,12,13,14,15,16,17,18,19 mm