* 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: 3/8" F to 1/4" M* Total Length: 25mm / 0.98-inch* Material: Chrome Molybdenum Steel* Finish: Phosphating* Color: BlackPackage Content:* 1 x Impact Socket Reducer