The BlueSpot 10PCE 1" Deep Impact Socket Set is manufactured from chrome molybdenum for the highest durability and has a blackened phosphate coating to prevent corrosion. The set is contained in a metal case for easy transportation and storage.Manufactured from chrome molybdenum for increased durabilityBlackened with a phosphate coating to protect from corrosionFor use with all air and battery impact tools as well as power barsComplete with metal tin for quick and easy storageIdeal for professional usePackage Contents22, 24, 27, 30, 32, 36, 38, 41, 46, 50mm