Specifications:Made of high quality chrome vanadium steel, it has high strength, good toughness and wear resistance.It is very easy to be installed and dismantled, and not easy to fall off when using it.This product is widely used in household DIY, auto parts, woodworking, professional machine repairing, etc.Item Name: Socket WrenchMaterial: CR-V (Chrome Vanadium Steel)Features: High Hardness, Wear Resistance, Corrosion ResistanceSize: Length: 6.5cm/2.56", Hexagonal Shank Diameter: 0.635cm/0.25", Opposite Side Size of Hexagon Hole: 1.3cm/0.51" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Socket Wrench