- Premium chrom-vanadium steel construction provides durability, high strength, and wear resistance for long-lasting use. - Ball-bearing retention ensures sockets stay securely seated, reducing slipping during operation. - Versatile hex shank drive with 1/4 in, 3/8 in, and 1/2 in sizes fits a wide range of drills and drivers for flexible use. - Easy conversion from a hand socket wrench to a socket set with multiple sizes, enabling quick adaptation to different fasteners. - Applications: - Automotive maintenance: quickly switch sockets to service bolts in tight engine bays with a drill or driver. - Furniture assembly: drive or remove hardware efficiently using the appropriate socket size. - General home repairs and DIY: convert your manual tool to a multi-size socket set for varied fasteners without changing tools.