STAR IMPACT BIT SOCKET - T-45 Star Bit Socket,SPECIFICATIONS - 1/2 Inch Drive Size with an overall length of 76mm (or 2.99 Inches),DURABLE MATERIALS - Made from Chrome Moly Steel for high strength and durability while having anti-corrosive properties,TOOL ORGANIZATION - Sizes are stamped for permanent and easy identification of size,RELIABLE AND EFFECTIVE - Our Star Impact Bit Sockets are heat-treated through oil quenching with a matte black oxide coating, which creates a tough exterior and superior inner core strength.,PEACE OF MIND - Purchase with confidence backed by the Genius Tools Limited Lifetime against manufacturer defects,ANSI STANDARDS - Meets or exceeds the standards established by the American National Standards Institute,PROFESSIONAL GRADE - Genius Tools are designed and made for use by professional technicians and built to perform over a lifetime of heavy use. Trust Genius for a quality tool at a value cost to you