Features: This 6piece hex swivels head wrench set (12mm-19mm) features flexible rotating head design for tight space accessibility and precise fit on automotive nut/bolts. Crafted from high strength alloy steel with 50% enhances durability and corrosion resistance, these wrenches maintain structural integrity during heavy dutys repairs. Ideal for professional mechanics and DIY enthusiasts requiring reliable tool for car maintenance, motorcycle repairs, or home improvement projects. Optimized for garage workshops, roadside emergencies, and confined engine compartments where standard wrenches struggle to reach stubborn fasteners. Ergonomic nonslip handle reduce hand fatigue during prolonged use. Specifications: Component: Alloy Steel Open End Size: 12mm/, 14mm, 16mm, 17mm, 18mm, 19mm Suitable for 3/8incn Drive Use scenario: Automobile maintenance,Motorcycle maintenance,Mechanical repair,Daily home; Package Includes: 1set/6pcs Open End Wrench note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.