Impact Grade Toughness designed for high torque applicationsForged Chrome-molybdenum steel for high strength durabilityLaser-etched size labeling enables easier identification to get the job done fasterElectro-phosphate finish projects a sleeker look for higher visabilityBacked by a Lifetime Warranty which provides peace of mind with proven reliabilitySure, our sockets look great. But underneath their sleek, electro-phosphate finish lies a product with a heart of impact-grade steel. Sockets that are built to be tough. Built to be bold. Built to be Ingersoll Rand. Includes: 10mm, 12mm, 13mm, 14mm, 15mm, 17mm, and a 19mm. Packaged in a blow molded case.