* Made of high-grade Chrome-Moly steel with black phosphate finish that resists corrosion and increases durability.* Chamfered ends and ball detent provides a secure hold onto sockets and prevents them from dropping.* Detent notches in socket ends lock onto ratchets and extensions.* Wide application in DIY hand-making, household maintenance, and most general repairs.Specification:* Size: 1/2" F to 3/4" M* Total Length: 50mm / 1.97-inch* Material: Chrome Molybdenum Steel* Finish: Phosphating* Color: BlackPackage Content:* 1 x Impact Socket Adapter.