* 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.Specifications:* Size: 3/4" F to 1" M* Total Length: 70mm / 2.76-inch* Material: Chrome Molybdenum Steel* Finish: Phosphating* Color: Black Package Content: * 1 x Impact Socket Adapter.